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

When did Why did Vilnius become the capital of the Commonwealth?
Why did Vilnius become the capital of the Commonwealth?

How many people, uh no, Asians represent what fraction of Hmong?
Asians represent what fraction of Hmong?

How no I mean when was Thoreau's essay published?

When was Thoreau's essay published?