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:
Where does prime rib come from on the cow?
answer:
cut of beef from the primal rib


question:
Where is the descending aorta located in the mediastinum?
answer:
posterior mediastinal cavity


question:
Where did the ancient greece olympics take place?
answer:

Olympia