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.

Input: Consider Input: Questions: ['when was joe biden elected for being a senator of deleware?']

Output: 1972


Input: Consider Input: Questions: ['when was bruce rowland born?', 'which date was pleasant rowland born?', 'when was pleasant rowland born?', "what is pleasant rowland's birthday?"]

Output: 1941-05-23


Input: Consider Input: Questions: ['what year was ernst rutherford born?']


Output: 1871-08-30