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.
Input: When did no in what year did Alpha Phi Omega estimate that about 10% of students participated in sororities/fraternities?

In what year did Alpha Phi Omega estimate that about 10% of students participated in sororities/fraternities?