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.

Which theorem, oh wait, what is one function that prime numbers have that 1 does not?
What is one function that prime numbers have that 1 does not?

How do firms or rather why do firms substitute equipment for workers?
Why do firms substitute equipment for workers?

When did lecturers no The Harvard Crimson publish its first issue?

When did The Harvard Crimson publish its first issue?

