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.

[EX Q]: How many episodes of season 11 of x files?
[EX A]: 10

[EX Q]: Is the kansas city airport in kansas or missouri?
[EX A]: Missouri

[EX Q]: When was most of the continental us deforested?
[EX A]:
prior to 1910