Classify the input text into either disfluent questions or proper questions. 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 or what year was Wisconsin v. Yoder decided at the Supreme Court?
disfluent

What took place during the Mexian War?
proper

How does investments no inequality help growth?

disfluent