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 is known as the father of strategy management?

Ex Output:
Harry Igor Ansoff


Ex Input:
How many episodes in this game of thrones season 7?

Ex Output:
seven episodes


Ex Input:
Who played rodney dangerfield son in back to school?

Ex Output:

Keith Gordon