Given the task definition and input, reply with output. 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 much square mileage in total did India retain? Passage 1:His first major exposure was starring in Oh Grow Up, a short-lived sitcom created by Alan Ball. He later played the role of Steven Keats for two seasons in the NBC sitcom Three Sisters. He appeared in the 2005 motion picture War of the Worlds in the role of Tim, the stepfather of Dakota Fanning and Justin Chatwin's characters. In 2006 he played Todd Beamer in United 93. David landed the lead role in 2007's I'll Believe You, a family-friendly sci-fi comedy. In 2008 he was "Mike Harness" in Lipstick Jungle on NBC for two seasons, and simultaneously played "Kenny Kagan" on The Starter Wife on USA. In 2010 he guest starred on , White Collar,  and The Mentalist. He appeared in the film Sex and The City 2 as a guest at the wedding. Basche had a small role in the 2017 mystery film The Vanishing of Sidney Hall.
 Passage 2:Prior to 1947, Baltistan was part of the princely state of Jammu and Kashmir, having been conquered by Raja Gulab Singh's armies in 1840. Baltistan and Ladakh were administered jointly under one wazarat (district) of the state. Baltistan retained its identity in this set-up as the Skardu tehsil, with Kargil and Leh being the other two tehsils of the district. After the Maharaja of Jammu and Kashmir acceded to India, Gilgit Scouts overthrew the Maharaja's governor in Gilgit and captured Baltistan. The Gilgit Agency and Baltistan have been governed by Pakistan ever since. The Kashmir Valley and the Kargil and Leh tehsils were retained by India. A small portion of Baltistan, including the village of Turtuk in the Nubra Valley, was incorporated into Ladakh after the Indo-Pakistani War of 1971.
 Passage 3:Sætren studied at Lillehammer Latin- og Realskole, at Qvams skole in Christiania and at the Swiss Federal Institute of Technology Zurich from 1862 to 1865. In 1866 he started working as a draftsman for Kanalvæsenet, the body for exploitation of Norwegian water resources, and held various positions at Kanalvæsenet over a period of 41 years. He ended his career as manager for the Bandak-Norsjø Canal from 1891 to 1907. The boat locks of the Bandak-Norsjø Canal could lift boats with a length of up to 100 feet. The canal became an important water transport system, and also a tourist destination. Sætren was a counsellor for industrialist Sam Eyde, the founder and first mangager of Norsk Hydro, who acquired rights for exploiting waterfalls for hydroelectric power. Sætren published maps and overviews of water resources in Norway, such as his map  from 1904. He was the first editor of the magazine Norsk Teknisk Tidsskrift, which he edited from 1883 to 1886. He was also a proponent for the construction of the Holmenkoll Line, and chaired the board of directors for ten years from 1896. He was decorated Knight of the Royal Norwegian Order of St. Olav in 1893.
2