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

What is the the old north no the old south branch of the Rhine called?
What is the the old south branch of the Rhine called?

What demands uh instead position did the tax collector that arrested Thoreau get?
What position did the tax collector that arrested Thoreau get?

Who or rather what remained an important issue in Scottish national identity for many years?
What remained an important issue in Scottish national identity for many years?