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

How much sorry many people were in British North American Colonies?
How many people were in British North American Colonies?

What is cost engineers no no scratch that what is an obvious source for cost engineers?
What is an obvious source for cost engineers?

What does sleep have no effect on no no sleep hormones shift the cytokine balance to which cytokine?
Sleep hormones shift the cytokine balance to which cytokine?