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.

Questions: ['when did alexander graham bell die?', 'what age did alex graham bell die?', 'what age did the inventor alexander graham bell die?', 'what age was alexander graham bell when he passed away?']
75 years

Questions: ['when did barrack obama president was it 2009 or 2008?', 'at what time barack obama become us president?']
2009-01-20

Questions: ['who is ike turner second wife?']
rosa lee sane