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]: How many series are there of the mentalist?
[EX A]: 7

[EX Q]: When was the song you're so vain written?
[EX A]: 1971

[EX Q]: Who is credited as the restorer of anatomy?
[EX A]:
Mondino de Luzzi