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 played gideon on once upon a time?
answer:
Giles Matthey


question:
Who discovered the center of the milky way galaxy?
answer:
a team of radio astronomers, led by Joseph Lade Pawsey


question:
Where does 12 years a slave take place?
answer:

Saratoga Springs, New York