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.

Ex Input:
Who sang the theme to life of brian?

Ex Output:
Sonia Jones


Ex Input:
Who played keyboard on the beatles rooftop concert?

Ex Output:
Billy Preston


Ex Input:
How many episodes are there in season 1 of supergirl?

Ex Output:

20