instruction:
In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to write a question that clarifies the given question in such a way that the generated question has one unique answer.
question:
What is the largest populated city in the us?
answer:
What is the largest populated city in the US based on a 2018 estimate?


question:
When did the zulu arrive in south africa?
answer:
When did the zulu people arrive in south africa?


question:
Where does the word christian come from in the bible?
answer:

In what part of the Bible does the word "Christian" first get mentioned?