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 nominates the chairman of the public accounts committee of indian parliament?

Ex Output:
Lok Sabha speaker


Ex Input:
What branch of biology creates models to make whole biological systems understandable?

Ex Output:
computational systems biology, systems biology and mathematical biology


Ex Input:
What kind of noodles are in kraft mac and cheese?

Ex Output:

macaroni pasta