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.

How many bits are thought to be a hard problem oops are often in the primes used for RSA public key cryptography algorithms?
How many bits are often in the primes used for RSA public key cryptography algorithms?

How many main flows are branched off from the Angeren no um Nederrijn?
How many main flows are branched off from the Nederrijn?

Who which company provides train service owns the California High Speed Rail?

Who owns the California High Speed Rail?

