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 did the first tim hortons open in the usa?

Ex Output:
1981


Ex Input:
Who won the title of miss world 2000?

Ex Output:
Priyanka Chopra


Ex Input:
When does episode 10 of chicago pd air?

Ex Output:

April 2, 2014