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:
When were the teenage mutant ninja turtles created?

Ex Output:
1984


Ex Input:
When does easter sunday fall on april 1st again?

Ex Output:
2029


Ex Input:
Who ran the first sub 4 minute mile?

Ex Output:

Sir Roger Gilbert Bannister