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]: Which element begins the fourth group of the periodic table?
[EX A]: Titanium

[EX Q]: Where do scholars believe food production first began in the middle east?
[EX A]: Fertile Crescent

[EX Q]: Do zebras have white stripes or black stripes?
[EX A]:
black and the white stripes and bellies are additions