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:
What are the 5 main characteristics of a mineral?

Ex Output:
Formed by a natural process, Stable or metastable at room temperature, Represented by a chemical formula, Ordered atomic arrangement, and Usually abiogenic


Ex Input:
When did star spangled banner became the national anthem?

Ex Output:
March 3, 1931


Ex Input:
Who won the 11th season of american idol?

Ex Output:

Phillip Phillips