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]: Who won great british bake off season 4?
[EX A]: Frances Elizabeth Quinn

[EX Q]: When does easter sunday fall on april 1st again?
[EX A]: 2029

[EX Q]: What is the name of the avengers headquarters?
[EX A]:
Avengers Mansion