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.

When did no what is the least controversial aspect of imperialism?
what is the least controversial aspect of imperialism?

What helpser er what do partnering and construction management emphasize for the design-build process?
What do partnering and construction management emphasize for the design-build process?

Who discussed Twigg's study in 1970 oh uh 2002?

Who discussed Twigg's study in 2002?