You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
In this task, you're given a question, along with three passages, 1, 2, and 3. Your job is to determine which passage can be used to answer the question by searching for further information using terms from the passage. Indicate your choice as 1, 2, or 3.

Question: When did the operation during which the 704th dropped supplies to allied troops near Nijmegen begin? Passage 1: The group was occasionally diverted from strategic missions to carry out air support and interdiction missions. It supported Operation Overlord, the invasion of Normandy by attacking transportation targets, including bridges, along with airfields and strong points in France. On D Day, the squadron and the rest of the 446th Group led the first heavy bomber mission of the day. The 446th aided ground forces at Caen and Saint-Lô during July by hitting bridges, gun batteries, and enemy troops. During Operation Market Garden, the attempt to seize a bridgehead across the Rhine in the Netherlands, the 704th dropped supplies to allied troops near Nijmegen. It struck lines of communications during the Battle of the Bulge. During Operation Varsity in March 1945, it supplied ground and airborne troops near Wesel. The squadron flew its last combat mission on 25 April 1945 against Salzburg, Austria. The group had flown 273 missions and had lost 58 aircraft during the war,
. Passage 2: John Ford (1894–1973) was an American film director whose career spanned from 1913 to 1971. During this time he directed more than 140 films. Born in Maine, Ford entered the filmmaking industry shortly after graduating from high school with the help of his older brother, Francis Ford, who had established himself as a leading man and director for Universal Studios. After working as an actor, assistant director, stuntman, and prop man – often for his brother – Universal gave Ford the opportunity to direct in 1917. Initially working in short films, he quickly moved into features, largely with Harry Carey as his star. In 1920 Ford left Universal and began working for the Fox Film Corporation. During the next ten years he directed more than 30 films, including the westerns The Iron Horse (1924) and 3 Bad Men (1926), both starring George O'Brien, the war drama Four Sons and the Irish romantic drama Hangman's House (both 1928 and both starring Victor McLaglen). In the same year of these last two films, Ford directed his first all-talking film, the short Napoleon's Barber. The following year he directed his first all-talking feature, The Black Watch.
. Passage 3: Since the late 1970s, the central part of NYU is its Washington Square campus in the heart of Greenwich Village. Despite being public property, and expanding the Fifth Avenue axis into Washington Square Park, the Washington Square Arch is the unofficial symbol of NYU. Until 2008, NYU's commencement ceremony was held in Washington Square Park. However, due to space constraints, ceremonies are now held at the Yankee Stadium. Important facilities at Washington Square are the Elmer Holmes Bobst Library, designed by Philip Johnson and Richard Foster, who also designed several other structures, such as Tisch Hall, Meyer Hall, and the Hagop Kevorkian Center. When designing these buildings Johnson and Foster also set up a master plan for a complete redesign of the NYU Washington Square campus. However, it was never implemented. Other historic buildings include the Silver Center (formerly known as "Main building"); the Brown Building of Science; Judson Hall, which houses the King Juan Carlos I of Spain Center; Vanderbilt Hall, the historic townhouse row on Washington Square North; The Grey Art Gallery at 100 Washington Square East, housing the New York University art collection and featuring museum quality exhibitions; the Kaufman Management Center; and the Torch Club – the NYU dining and club facility for alumni, faculty, and administrators. Just a block south of Washington Square is NYU's Washington Square Village, housing graduate students and junior and senior faculty residences in the Silver Towers, designed by I. M. Pei, where an enlargement of Picasso's sculpture Bust of Sylvette (1934) is displayed.
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Solution: 1
Why? The question refers to the 704th unit and task about war which is decribed by Passage 1.

New input: Question: How long before John Denniston matriculated was the school he attended built? Passage 1:Able to play on either flank as a full back, Wilkins began his career at Chelsea at the age of 10 and signed his first professional contract in 1972. He remained a bit-part player until the 1976–77 season, when he made 29 appearances to help the Blues to promotion back to the First Division. Wilkins remained at Stamford Bridge until July 1982, by which time he had made 151 appearances and scored one goal. He dropped down to the Third Division to join West London neighbours Brentford on a free transfer, but with the Bees he experienced "the worst two years of my life. I dislocated my shoulder, had seven teeth kicked out, ruptured my cruciate ligaments and that was it". Wilkins' final appearances as a professional came late in the 1983–84 season, on loan at Third Division club Southend United.
 Passage 2:Tüzmen entered politics from the Justice and Development Party (AKP). Elected in the 2002 general election held on November 3, he became a member of the 22nd Parliament as a deputy of Gaziantep. He was appointed Minister of State in the 58th (November 19, 2002 - March 12, 2003) and 59th government (March 14, 2003 - August 28, 2007). After the 2007 general election on July 22, he kept his seat in the 23rd Parliament, this time as a deputy of Mersin. He remained government minister in the 60th government (August 29, 2007 - May 1, 2009). His term ended in 2009 with the cabinet change. He was succeeded by Zafer Çağlayan.
 Passage 3:Having matriculated at the University of Glasgow, where he won an entrance scholarship, he left that university to join his father and other members of the family to emigrate to New Zealand. They landed in Otago in 1862 and Denniston Sr. took up a run Oteramika in Southland. His father died at his house at Fendalton, Christchurch, in 1897. Denniston Jr saw service in various capacities, including the civil service and that of the Bank of New South Wales, and then became a law student with William Downie Stewart. He was admitted to the New Zealand Bar at Dunedin by Justice Chapman on 4 August 1874. For some months he practised at Wanganui in partnership with George Hutchison, afterwards a prominent member of the House of Representatives. In 1875, he became associated with Downie Stewart in Dunedin and the firm was subsequently joined by Allan Holmes, son of the Hon. Mathew Holmes, MLC, under the style of Stewart, Holmes and Denniston, and acquired an extensive practice in Otago. Court work was undertaken by Denniston, whose name was connected with most of the important civil and criminal cases in the province. In 1889, he was elevated to the bench on the death of Justice Alexander James Johnston and was sworn in by His Honour Sir James Prendergast, Chief Justice of New Zealand, in February 1889. Denniston was knighted on 21 February 1917 upon his retirement from the bench.

Solution:
3