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]: Lion capital of sarnath belongs to which king?
[EX A]: Emperor Ashoka

[EX Q]: Are radio waves electromagnetic waves or sound waves?
[EX A]: electromagnetic waves

[EX Q]: Who plays jason street in friday night lights?
[EX A]:
Scott Porter