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.
One example: Questions: ['what is the amount of us representatives of nevada?', 'what are the us representative number for nevada?','what is the number of us representatives in nevada?']
Solution is here: 4
Explanation: The output answer is the exact answer for the given questions

Now, solve this: Questions: ['what year was barack obama elected president in?']
Solution:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
2008