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 arsenal won the premier league at white hart lane?
answer:
When was the first time that Arsenal won the Premier League at White Hart Lane?


question:
How do they test for drugs at the olympics?
answer:
How do they test for most drugs at the Olympics?


question:
Who played the young tom riddle in harry potter?
answer:

Who played the teenager Tom Riddle in the film Harry Potter and the Chamber of Secrets?