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: What 29 schools gave Kennan honorary degrees? Passage 1:He entered training camp competing with Jamarca Sanford and Andrew Sendejo to be the Minnesota Vikings' free safety. Smith was named the starting free safety to begin the regular season. He made his professional regular season debut and first career start in the Vikings' season opener against the Jacksonville Jaguars. He finished the 2623 victory with seven combined tackles. During the Week 5 matchup against the Tennessee Titans, Smith was ejected for moving an official out of the way; the Vikings still won, 307. On October 21, 2012, Smith made six combined tackles and a pass deflection, and made his first career interception off of John Skelton for a 31-yard touchdown. It was his first career touchdown and sealed the 2114 victory over the Arizona Cardinals. The following game, he made a season-high 13 combined tackles in a 3617 loss to the Tampa Bay Buccaneers. On December 9, 2012, he recorded seven total tackles and intercepted Jay Cutler's pass and returned it for a 52-yard touchdown in a 2114 victory over the Chicago Bears. The next game, Smith had a season-high nine solo tackles and an assisted tackle during a 3622 win over the St. Louis Rams. In a Week 16 matchup against the Houston Texans, he decided seven solo tackles and made his first career sack on Matt Schaub, as the Vikings routed the Texans, 236.
Passage 2:During his career, Kennan received a number of awards and honors. As a scholar and writer, Kennan was a two-time recipient of both the Pulitzer Prizes and the National Book Award, and had also received the Francis Parkman Prize, the Ambassador Book Award and the Bancroft Prize. Among Kennan's numerous other awards and distinctions were the Testimonial of Loyal and Meritorious Service from the Department of State (1953), Princeton's Woodrow Wilson Award for Distinguished Achievement in the Nation's Service (1976), the Order of the Pour le Merite (1976), the Albert Einstein Peace Prize (1981), the Peace Prize of the German Book Trade (1982), the American Academy of Arts and Letters Gold Medal (1984), the American Whig-Cliosophic Society's James Madison Award for Distinguished Public Service (1985), the Franklin D. Roosevelt Foundation Freedom from Fear Medal (1987), the Presidential Medal of Freedom (1989), the Distinguished Service Award from the Department of State (1994), and the Library of Congress Living Legend (2000). Kennan had also received 29 honorary degrees and was honored in his name with the George F. Kennan Chair in National Security Strategy at the National War College and the George F. Kennan Professorship at the Institute for Advanced Study.
Passage 3:Born in Schrimm in the Province of Posen, Wilcke volunteered for military service in the Reichswehr of the Third Reich in 1934. Initially serving in the Heer (Army), he transferred to the Luftwaffe (Air Force) in 1935. Following flight training, he was posted to Jagdgeschwader "Richthofen" (Fighter Wing "Richthofen") in April 1936. After an assignment as fighter pilot instructor he volunteered for service with the Condor Legion during the Spanish Civil War in early 1939. After his return from Spain, he was appointed Staffelkapitan (squadron leader) of the 7. Staffel (7th squadron) of Jagdgeschwader 53 (JG 5353rd Fighter Wing). Following the outbreak of World War II, he claimed his first aerial victory on 7 November 1939. On 18 May 1940, during the Battle of France, he was shot down and taken prisoner of war. After the armistice with France, he returned from captivity and was appointed Gruppenkommandeur (group commander) of the III. Gruppe (3rd group) of JG53 during the Battle of Britain, claiming 10 victories over England.
2