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:
Where is the x factor final 2017 filmed?
answer:
In what building is the x factor final 2017 filmed?


question:
Where is the fastest speed limit in the united states?
answer:
What road is the fastest speed limit in the united states?


question:
When does war of the worlds take place?
answer:

When is the novel The War of The Worlds set?