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: ['what did did canada join nato?', 'what yer did canada join nato?', 'what year did canadians join nato?']
answer:
1949

question:
Questions: ["when did andrew jackson's father die?"]
answer:
1767

question:
Questions: ["what is kevin rudolf's birth date?"]
answer:
1983-02-17