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: How many episodes are in the mist season 1?
Example Output: 10

Example Input: The most important mineral product of northern chile is?
Example Output: copper

Example Input: What is the largest fast food restaurant chain in the world?
Example Output:
Subway