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.

The percentage of the inheritance of obesity that is accounted for by genetic factors is about?
40–70%

In which country did an event occur that led to the 2011 arab spring?
Tunisia

Who sings staring down the barrel of a 45?

Shinedown