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

[Q]: David Castlles-Quintana and Vicente Royuela do what for a hobby or I mean living?
[A]: What do David Castlles-Quintana and Vicente Royuela do for a living?


[Q]: How old is the Oxford or no NCAA Division I Ivy League competition?
[A]: How old is the NCAA Division I Ivy League competition?


[Q]: During which years was the plague present in Islamic countries or wait in what year did the residents of Baghdad first become affected by the plague?
[A]:
In what year did the residents of Baghdad first become affected by the plague?