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 michael jackson have his first hit?']
1971

Questions: ['when did hitler die?', 'when did adolf hitler die?', 'what date did hitler die?', 'what is the date of death of hitler?', 'date of hitlers death?', 'adolf  hitler died when?']
1945-04-30

Questions: ['when did ludwig purtscheller and hans meyer climb mt kilimanjaro?']

1889