instruction:
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.
question:
Who plays captain hook in once upon a time?
answer:
Colin O'Donoghue


question:
Who has most centuries in first class cricket?
answer:
Sir John Berry Hobbs


question:
How many world series did the pittsburgh pirates win?
answer:

5