instruction:
An answer is given. Generate a question for which the given answer is either a direct or partial answer.
question:
Answer: philadelphia city hall
answer:
what is the tallest masonry structure in the us?


question:
Answer: the godfather
answer:
what was marlon brando's first oscar win?


question:
Answer: mongolia
answer:

what country lies directly north of china and separates it from russia?