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 plays agent romanoff in iron man 2?

Ex Output:
Scarlett Johansson


Ex Input:
Who does jeffrey dean morgan play in supernatural?

Ex Output:
John Eric Winchester


Ex Input:
What dog breed is duke from secret life of pets?

Ex Output:

Newfoundland mix