Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
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Question: What project is or actually I mean what helps the owner in design and construction?

Answer: What helps the owner in design and construction?

Question: What type i mean What does Warsaw host many of?

Answer: What does Warsaw host many of?

Question: What percentage of the population of London died during the 1471 breakout of the Black Death no um the 1589 breakout?

Answer:
What percentage of the population of London died during the 1589 breakout of the Black Death?