instruction:
Given a question and its paraphrases, answer the question. The answer should exactly answer all the questions given without any ambiguity. Don't give partial answers.
question:
Questions: ['when was christopher columbus married?', 'when did christopher columbus get married?']
answer:
1479


question:
Questions: ['what years did truman served in office?', 'what years harry truman was in office?', 'what year was truman sworn into office?', 'what year was harry truman sworn into office?']
answer:
1945


question:
Questions: ['what year did lenin lead the soviet union?']
answer:

1917