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 long had Mossadegh been in power when the CIA overthrew his government? Passage 1:Schandermani lived in Tehran, the capital of Iran. In 1953 US Central Intelligence Agency overthrew the Iranian government of Prime Minister Mohammed Mossadegh and restored Shah Mohammed Reza Pahlavi. Schandermani's father was a leftist politician. After CIA coup his father was arrested and sentenced to death. But he escaped from the detention centre and later on moved to the USSR where the Soviet officials granted him political asylum. In the early 60's Schandermani immigrated with his mother to Russia, where family was reunited. In 1961 he went to school in Moscow. Two years later he continued his school education in a special school for foreigners Interdom located in the Russian city Ivanovo. In 1971 he graduated from this school and moved to Dushanbe capitol of the former Soviet Republic of Tajikistan. In 1979 after the fall of the Shah's regime Schandermani went via West-Berlin back to Iran. After his arrival at the Tehran's airport Mehrabad he was arrested and jailed. Four days later he was expelled from the country to the German city Berlin, where he applied for political asylum. In 1992 he was naturalized and became citizen of the Federal Republic of Germany.
Passage 2:A former amateur champion at Nihon University, he turned professional at the age of 23, joining Kasugano stable in March 1981. He reached the top makuuchi division in September 1983, and in 1984 he earned his first special prize for Fighting Spirit, and defeated Takanosato in his first ever bout against a yokozuna to earn his first of his three kinboshi. He spent most of 1985 in the second juryo division, but in 1986 made the san'yaku ranks at komusubi. In November 1987 he scored 105 from the maegashira 6 ranking, defeating two ozeki and winning the Technique Prize. This earned him promotion to his highest rank of sekiwake for the following tournament in January 1988. However, by the end of the year he was in juryo again due to injury problems. He won the juryo yusho on two occasions in 1989 and won promotion back to the top division. After missing the September 1990 tournament he fell to juryo again and made only one more appearance in makuuchi before retiring in May 1992 at the age of 34.
Passage 3:Tanaka subsequently teamed with Mitsu Arakawa in the WWF, acquiring the International Tagteam Championship; losing it at Madison Square Garden to Tony Marino and Victor Rivera. The team of Tanaka and Fuji won three WWWF World Tag Team Championships, with Blassie as manager for the third reign and The Grand Wizard as manager for the first two. They first won the belts from Sonny King and Chief Jay Strongbow on June 27, 1972 in Philadelphia, PA at a House show. They lost the belts to Haystacks Calhoun and Tony Garea on May 30, 1973, again at a Hamburg house show, but regained them on September 11, 1973 in Philadelphia, PA before losing them again to Tony Garea and Dean Ho on November 14, 1973, again in Hamburg. Their third win came on September 27, 1977 at a Philadelphia house show when they defeated Tony Garea and Larry Zbyszko in a tournament final for the vacant belts, holding them until March 14, 1978 when they lost the titles to Dino Bravo and Dominic DeNucci in Philadelphia. This third reign set a record for number of championship reigns which would be equalized by The Wild Samoans in 1983, Demolition in 1990, Money Inc. in 1993, The Quebecers in 1994 and The Smoking Gunns in 1996, but not bettered until The New Age Outlaws won a fourth reign in 1999.
1