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 wrote the patriotic song sare jahan se achcha?

Ex Output:
Muhammad Iqbal


Ex Input:
What is the name of the tennessee titans football stadium?

Ex Output:
Nissan Stadium


Ex Input:
Who plays tony stark's mom in civil war?

Ex Output:

Hope Davis