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: When was the university at which Murrills made his first-class debut founded? Passage 1:Xing Zhaotang () (1894–1961) original name Guangzu (), courtesy name Zhaotang (), was a People's Republic of China politician. He was born in Tongwei County, Gansu Province. A veteran of the Second Zhili–Fengtian War, he was a regiment commander in the Guominjun. In 1927, he became a division commander in the National Revolutionary Army's 6th Division. Xing joined the opposition to Chiang Kai-shek. After the beginning of the Second Sino-Japanese War, Xing and Sun Dianying created a guerrilla force in northern Hebei Province and Chahar Province. This was absorbed into the National Revolutionary Army in 1939 as the New 5th Army, with Xing as deputy army commander. During the Chinese Civil War, Xing sided with the Communist Party of China against the Kuomintang due to opposition to Chiang. He was made vice chairman of Ningxia in 1949, chairman in 1952 and vice governor of Henan Province in 1955.
 Passage 2:Murrills made his first-class debut for Cambridge University against Warwickshire. He made 34 further first-class appearances for Cambridge, the last of which came against Oxford University in 1976. In his 35 appearances for the university, he scored 900 runs at an average of 14.75, with a high score of 67. This score, which was one of three fifties he made, came against Surrey in 1976. He also appeared twice in first-class cricket for a combined Oxford and Cambridge Universities team, in 1974 against the touring Indians and in 1976 against the touring West Indians. His debut in List A cricket came for Cambridge University in the 1974 Benson and Hedges Cup against Kent, with him making three appearances in that season's competition. In the 1976 Benson and Hedges Cup he made four appearances for the Combined Universities.
 Passage 3:Born in Openshaw, Manchester, Burgess began his football career with Glossop North End, but soon signed for Manchester City. He made his debut for City on 5 September 1903, playing at left back away to Stoke City on the opening day of the 1903–04 season. In 1906, in the wake of a scandal regarding players' wages, Manchester City were forced into selling most of their players, and Burgess was purchased by Manchester United along with Sandy Turnbull, Jimmy Bannister and Billy Meredith. After helping the club to the 1907–08 Football League title, Burgess left the club and moved to Denmark to play for Kristiania. He then emigrated to Hungary, where he played for MTK Budapest, before becoming their manager. In the 1920s, Burgess' managerial career took him to Italy, where he became the manager of Padova. He had a two-year spell at Milan before returning to Padova, but two years later he was on the move again, this time to Roma.
2