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 Q]: Who plays the lead in i can only imagine movie?
[EX A]: J. Michael Finley

[EX Q]: Where does the last name dumas come from?
[EX A]: Southern French

[EX Q]: What are the three main parts of the atmosphere?
[EX A]:
nitrogen