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's the best selling artist of all time?

Ex Output:
The Beatles


Ex Input:
Who played boo radley in the movie to kill a mockingbird?

Ex Output:
Robert Selden Duvall


Ex Input:
Article 25-28 of the indian constitution deal with __?

Ex Output:

right to practice and promote their religion peacefully