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: Yellowstone national park includes parts of idaho montana and?
Example Output: Wyoming

Example Input: Where did the name molly come from for the drug?
Example Output: short for 'molecule'

Example Input: Who wrote i'll wait by van halen?
Example Output:
Michael McDonald