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: ["when did john deere's first wife die?"]
answer:
1865-02-17


question:
Questions: ['when did they discovered the planet mercury?']
answer:
-0264


question:
Questions: ['when did ireland become an independent country?', 'when has ireland been an independent country?', 'ireland has been an independent country since?', 'in which date did ireland become an independent country?']
answer:

1949-04-18