TASK DEFINITION: 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.
PROBLEM: Questions: ['when did denzel washington get his first oscar?', 'when did denzel washington win his first oscar?']

SOLUTION: 2002

PROBLEM: Questions: ['when was death valley found?', 'when was death valley founded?', 'when was it found national death valley park?', 'when death valley was found?', 'when was death valley founded in?', 'when was death valley national park found?']

SOLUTION: 1933-02-11

PROBLEM: Questions: ['in what year was thomas jefferson vice president?']

SOLUTION:
1797