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.

Example Input: Questions: ['what year was the 17th amendment passed?', 'when did 17th amendment?']
Example Output: 1912-05-13

Example Input: Questions: ['in what year did canada join the united nations?', 'what did canada join the united nations?', 'what year did canada join the united nations?']
Example Output: 1945-10-24

Example Input: Questions: ['what time is justin biebers birthday?', 'when is justin biebers birthday and time?']
Example Output:
1994-03-01