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.

[Q]: In captain america civil war who rules wakanda?
[A]: King T'Chaka


[Q]: When did royal mail and post office split?
[A]: 1 April 2012


[Q]: How many seasons are in person of interest?
[A]:
five