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: La liga highest goal scorer in this season?

SOLUTION: La liga highest goal scorer in the 2016-17 season?

PROBLEM: Who is the man with the burned face on game of thrones?

SOLUTION: What is the name of the character who has the burned face on game of thrones?

PROBLEM: Who has sold the most concert tickets ever?

SOLUTION:
Who has sold the most concert tickets ever in a single concert as of July 1, 2017?