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]: What is the si unit of time period?
[EX A]: second

[EX Q]: When did texas win their independence from mexico?
[EX A]: March 1, 1836

[EX Q]: Who was the chola king under whose region the brihadeeswara temple of tanjore was constructed?
[EX A]:
Raja Raja Chola I