TASK DEFINITION: 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.
PROBLEM: Who sings the original i can't help falling in love with you?

SOLUTION: Elvis Presley

PROBLEM: Who has the best winning percentage in college football history?

SOLUTION: Michigan

PROBLEM: How old do you have to be to conceal carry in ohio?

SOLUTION:
21 and older