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 won australia's next top model s9?

Ex Output:
Brittany Beattie


Ex Input:
When was the first constitution of pakistan passed?

Ex Output:
March 1956


Ex Input:
Who has the biggest police force in the us?

Ex Output:

City of New York Police Department