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.
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Question: When did the first season of greys anatomy air?

Answer: March 27, 2005


Question: When did my girl by the temptations come out?

Answer: December 21, 1964


Question: Nadh and fadh2 are used to transport what item used in cellular respiration?

Answer:
electrons