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

How many drugs no what type of them do specialty pharmacies never stock?
What types of medications do specialty pharmacies never stock?

What building um no when was Warsaw Palace completely razed to the ground by bombing raids?
When was Warsaw Palace completely razed to the ground by bombing raids?

What did er why was this concept generally unpopular prior to Donald Davies completing his work?

Why was this concept generally unpopular prior to Donald Davies completing his work?