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:
When did the draft start for vietnam war?
answer:
When did the first lottery for the draft start for the vietnam war?


question:
When did the afghanistan war start and end?
answer:
When did the afghanistan war first phase start?


question:
Who brought a fresh water supply to western australia?
answer:

What project first brought a fresh water supply to Western Australia?