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: Who sings get it on bang a gong?

SOLUTION: Who is the group sings get it on bang a gong?

PROBLEM: Who plays captain jack sparrow in pirates of the caribbean?

SOLUTION: Who plays the adult Captain Jack Sparrow in the Pirates of the Caribbean films?

PROBLEM: How many legoland's are there in the whole world?

SOLUTION:
How many legoland's are there in the whole world in 2017?