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.

Q: Questions: ['when was tony romo first year to play for the cowboys?']

A: 2003
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Q: Questions: ['when did guyana join the commonwealth of nations?', 'when did guyana join the common wealth of nations?', 'which month did guyana join commonwealth?', 'on what day did guyana join the commonwealth of nation?', 'when did guyana become a member of the commonwealth nations?', 'when did guyana join the commonwealth of nations?']

A: 1966
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Q: Questions: ['who was harriet tubmans second husband?']

A:
nelson davis
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