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 needed the brain in wizard of oz?
[EX A]: the Scarecrow

[EX Q]: Who acted as munna bhai in lage raho munna bhai?
[EX A]: Sanjay Balraj Dutt

[EX Q]: Who developed the method of volume by water displacement?
[EX A]:
Archimedes of Syracuse