TASK DEFINITION: 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.
PROBLEM: Last person convicted of treason in the united states?

SOLUTION: Last person convicted of and sentenced for treason in the united states?

PROBLEM: When is it mothering sunday in the uk?

SOLUTION: When is it mothering sunday in the uk in 2017?

PROBLEM: West ham players in the 1966 world cup?

SOLUTION:
Who is the West Ham player that played in 1966 world cup as defender?