In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.

Example Input: Who won rookie of the year nba 2004?
Example Output: LeBron James

Example Input: Who coined the phrase war to end all wars?
Example Output: H. G. Wells

Example Input: When did joni mitchell wrote big yellow taxi?
Example Output:
1970