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: ['when did the song firework come out?', "when did katy perry's firework song come out?", 'when did the song firework by katy perry come out?', 'what year did katy perry fireworks come out?', 'when did the song firework come out by katy perry?', 'when did firework by katty perry come out?', 'when was the song firework released?']
Example Output: 2010

Example Input: Questions: ['what year did hitler rule germany?']
Example Output: 1933-01-30

Example Input: Questions: ['what is carl hiaasen real age?']
Example Output:
64 years