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

What did or actually when was the Tower Theater closed?
When was the Tower Theater closed?

How many er the strong force is due to the exchange of what?
The strong force is due to the exchange of what?

When was no no what year was the University of Warsaw established?
What year was the University of Warsaw established?