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 marginal rate of tax in ireland?
answer:
What is the marginal rate of tax in ireland for a person age 65+ earning under 18,000 per year?

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

question:
Who won the men's french open this year?
answer:
Who won the men's singles title in the 2017 French Open?