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

[Q]: What city er where had the Mongol capital been before Kublai moved it?
[A]: Where had the Mongol capital been before Kublai moved it?


[Q]: What are peptides processed into no sorry what does the matching helper T cell release when it binds with the MHC:antigen complex of the B cell?
[A]: What does the matching helper T cell release when it binds with the MHC:antigen complex of the B cell?


[Q]: What day of the week are polls, I mean, general elections held?
[A]:
What day of the week are general elections held?