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.

Example Input: Who has the responsibility for coordinating or um publishing materials?
Example Output: Who has the responsibility for publishing materials?

Example Input: In what year was the Dutch or no make that the German encyclopedia Knaurs Lexikon written?
Example Output: What year was the German encyclopedia Knaurs Lexikon written?

Example Input: When did Genghis Khan become his brother Kublai, oh no I mean, Great Khan?
Example Output:
When did Genghis Khan become Great Khan?