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 helped build mission san francisco de asis?
answer:
Fray Pedro Combón


question:
Who won season 10 america's got talent?
answer:
Paul Zerdin


question:
When did the dollar become the reserve currency?
answer:

1945