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.
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Question: Questions: ['when did leonardo invented the mona lisa?', 'what year did picasso paint mona lisa?', 'in which date was the mona lisa painted?']

Answer: 1503-1506

Question: Questions: ['when did neil armsrtongs first step on the moon?', 'what date did in 1969 did neil armstrong took humans first step on the moon?']

Answer: 1969-07-20

Question: Questions: ['when did katy perrys song firework come out?']

Answer:
2010