You will be given a definition of a task first, then some input 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: How long was the Clapham Common to Morden extension? Passage 1:Through his involvement with the Design and Industries Association Holden met Frank Pick, general manager of the Underground Electric Railways Company of London (UERL). Holden at the time had no experience in designing for transport, but this would change through his collaboration with Pick. In 1923, Pick commissioned Holden to design a façade for a side entrance at Westminster Underground station. This was followed in 1924 with an appointment to design the UERL's pavilion for the British Empire Exhibition. Also in 1924, Pick commissioned Holden to design seven new stations in south London for the extension of the City and South London Railway (now part of the Northern line) from Clapham Common to Morden. The designs replaced a set by the UERL's own architect, Stanley Heaps, which Pick had found unsatisfactory. The designs reflect the simple modernist style he was using in France for the war cemeteries; double-height ticket halls are clad in plain Portland stone framing a glazed screen, each adapted to suit the street corner sites of most of the stations. The screens feature the Underground roundel made up in coloured glass panels and are divided by stone columns surmounted by capitals formed as a three-dimensional version of the roundel. Holden also advised Heaps on new façades for a number of the existing stations on the line and produced the design for a new entrance at Bond Street station on the Central London Railway.
 Passage 2:Williams started his footballing career at his local club Cradley Town in 1990. After impressing in the lower leagues he attracted the attention of Football League sides and joined Welsh side Swansea City in 1991. After having a decent season with Swansea he move on up to Coventry City the following season. He spent three years with the sky blues making 80 league appearances, the most he would acquire in his career. Williams' early goal against Middlesbrough on 15 August 1992 was only the second goal ever scored in the newly formed FA Premiership (the goal came in the ninth minute of the game which was approximately four minutes after Brian Deane's goal against Manchester United on the opening day of the new season). Whilst at Coventry Williams had loan spells at Notts County, Stoke City and at his old club Swansea City. He left Coventry in 1995 and joined new league side Wycombe Wanderers to start a somewhat nomadic career. After two years with the chairboys he moved on to unsuccessful spells at Hereford United and Walsall. Williams then went on to have a new club every season starting with Exeter City in the 1997–98 season. He went on to play for Cardiff City, York City, Darlington, two seasons with Swansea City his third spell at the club and his final Football League side Kidderminster Harriers. Known as the "flying postman" due to his speed and career before football, when playing for Kidderminster scored famously against Wolves in the FA Cup 3rd round only for his goal to be equalised in the final minutes.
 Passage 3:Retropolis Entertainment was founded in April 2002 by Bob Emmer, Garson Foos, and Richard Foos, three principals from Rhino Records, as the company was negotiating with the five majors for distribution. After selling Rhino to Warner Bros., the three set out to launch a new retro pop culture label. The company's first product was Red, White & Rock, a joint release with PBS station WQED that was produced with Warner Strategic Marketing. In August 2002, Retropolis acquired Biograph Records. Other early releases included blues and jazz CDs from the Biograph label, a Fats Domino CD and DVD, and several documentaries (Superstar: The Life And Times of Andy Warhol, What Happened To Kerouac?). Retroplis was renamed Shout! Factory in April 2003. At that time, Shout had signed a press and distribution agreement with Sony Music Entertainment. With the release of Freaks & Geeks in 2004, Shout! hit its stride and shifted towards a reputable and celebrated television on DVD company. That same year, they released a brand-new CD Has Been with actor William Shatner (produced by Ben Folds) and started releasing classic SCTV box sets.

Output:
1