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 building activity occur on St. Kazimierz Church no let me rephrase when did building activity in the palaces and churches take place in the later decades of?

When did building activity in the palaces and churches take place in the later decades of?