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.

Ex Input:
Questions: ['when did stevie ray vaughan die?', "when did stevie ray vaughan's helicopter crash?", 'which date did stevie ray vanghan die?']

Ex Output:
1990-08-27


Ex Input:
Questions: ['what year did abe lincoln die?', 'what year did abraham lincoln die?', 'when did abraham linclon die?', 'what is the date of death of abraham lincoln?', 'what year did the us president abraham linciln die?', 'what year was president lincoln assassinated?']

Ex Output:
1865-04-15


Ex Input:
Questions: ['when did neil armstrong go on the moon?']

Ex Output:

1969-07-20