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

[Q]: When did no no didn't British begin to build fort under William Trent?
[A]: When didn't British begin to build fort under William Trent?


[Q]: When did the no in what year did the Black Death originate in Central Asia?
[A]: In what year did the Black Death originate in Central Asia?


[Q]: Besides Leibniz, what er instead in what year did Pierre de Fermat declare Euler's little theorem?
[A]:
In what year did Pierre de Fermat declare Euler's little theorem?