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]: When were the latest acm code of ethics and professional conduct adopted?
[EX A]: 1992

[EX Q]: How many episodes in seal team season 1?
[EX A]: 22

[EX Q]: Who plays killian in once upon a time?
[EX A]:
Colin Arthur O'Donoghue