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:
How did will smith lose his arm in irobot?

Ex Output:
a car crash


Ex Input:
Who plays in the fa cup final 2018?

Ex Output:
Chelsea and Manchester United


Ex Input:
When did north dakota and south dakota split?

Ex Output:

November 2, 1889