instruction:
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.
question:
Who sang the original version of tennessee whiskey?
answer:
David Allan Coe


question:
Who wrote the song imagine by the beatles?
answer:
John Lennon and Yoko Ono


question:
Where is the serengeti plain located in africa?
answer:

northern Tanzania and some of southwestern Kenya