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 date did portugal gain its independence', 'when does portugal celebrate its independence day?', 'what day is portugals independence day?', 'when did portugal acquire its independence?']
Example Output: 1940-12-01

Example Input: Questions: ["what is david beckham's birthday?"]
Example Output: 1975-05-02

Example Input: Questions: ['what date did mariah marry nick cannon?']
Example Output:
2008-04-30