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.
Q: Question: How old was the governor when Rosas was overthrown? Passage 1:Somersalo was educated at the University of Helsinki before studying natural sciences at the University of Jena. Based in Germany during the First World War he enrolled in the German Army as an officer in 1916, serving until the armistice. He would later claim that the war had been the death of old Europe and argued that one of its main positives was that it had "rescued our nation from the deadly, slimy embrace of a lothsome cuttlefish" in reference to Russia. He transferred straight to the Finnish Army and from 1920 to 1926 was the commander of the Finnish Air Force.
Passage 2:University College Dublin A.F.C. was founded in 1895 as the Catholic University Medical School Football Club. They began playing regular games the following year. A First XI played College games against other Universities and a Second XI entered outside competitions. The club was founder members of the Leinster Junior League in 1896 and reached the semi-finals of the Leinster Senior Cup in 1897. The club became University College Dublin when the new University annexed the Medical school in 1908. UCD won the inaugural Intervarsities competition, the Collingwood Cup, in 1914 and added the Irish Intermediate Cup the following year beating Portadown 21 in a replayed final. When the Irish Free State was formed in 1921 and the new Football Association of Ireland was formed, UCD participated in the Preliminary round against fellow non-League team Shamrock Rovers in November 1921. The game took place in Windy Arbour and the Hoops won 62. UCD were invited to join the League of Ireland in 1922, but had to turn it down on the basis of not being able to field a team in the League of Ireland Shield in September as the Academic year didn't commence until October. In 1945 they won the FAI Intermediate Cup when UCD beat fellow future League of Ireland members Cobh Ramblers 42 in the final. UCD appeared in the FAI Cup in the 1930s, 1940s and 1950s, their final appearance as a non-League outfit coming in 1957 when Cork Athletic beat UCD 42 in the Mardyke.
Passage 3:The central figure in the overthrow of Rosas, Entre Rios Governor Justo Jose de Urquiza, was granted the power of a head of state by the Palermo Protocols of April 6, 1852. This provoked resistance in Buenos Aires, however, which then refused to ratify the San Nicolas Agreement of May 31. The prospect of having the Argentine Congress headquartered in Santa Fe proved especially objectionable, and Urquiza's June 12 appointment of former President Vicente Lopez y Planes failed to turn public opinion in Buenos Aires. Colonel Bartolome Mitre rallied the Assembly against the San Nicolas Accords. The most contentious issue remained the Buenos Aires Customs, which remained under the control of the city government and was the chief source of public revenue. Nations with which the Confederation maintained foreign relations, moreover, kept all embassies in Buenos Aires (rather than in the capital, Parana).

A:
3