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 has to push the rock up the hill?
answer:
Sisyphus


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


question:
When did the first coca cola come out?
answer:

133 years ago