TASK DEFINITION: Convert a disfluent question to a proper question. A disfluent question is a question that has some interruptions in it while framing. A proper question is the correct form of the question without any disfluency.
PROBLEM: When was Frankfurt ranked as the 22nd most liveable city in the world, no sorry it was Warsaw?

SOLUTION: When was Warsaw ranked as the 22nd most liveable city in the world?

PROBLEM: What city, well area actually, remained uninhabited for thousands of years?

SOLUTION: What area remained uninhabited for thousands of years?

PROBLEM: Who was Shi Bingzhi's uncle ah darn I meant Shi Tianze's?

SOLUTION:
Who was Shi Tianze's uncle?