Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.

How many objects uhh rooms does the Warsaw Historical Museum have?
How many rooms does the Warsaw Historical Museum have?

When did the no in what year did the Black Death originate in Central Asia?
In what year did the Black Death originate in Central Asia?

What was the name of the first self-sustained man-made nuclear experiment umm rather reaction?
What was the name of the first self-sustained man-made nuclear reaction?