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 are responsible for running primary general and special elections?
[EX A]: the states

[EX Q]: Who is pyramid head in silent hill movie?
[EX A]: Roberto Campanella

[EX Q]: What is the average lifespan of an airedale terrier?
[EX A]:
about 11.5 years