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 country of siam called today?
[EX A]: Thailand

[EX Q]: Who was the pale rider supposed to be?
[EX A]: Thanatos

[EX Q]: When did the ibm selectric typewriter come out?
[EX A]:
31 July 1961