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

[EX Q]: What did the American Philosophical Society do with the memoir what did they produce in 1809?
[EX A]: What did the American Philosophical Society produce in 1809?

[EX Q]: What helps or rather what are found in fossils?
[EX A]: What are found in fossils?

[EX Q]: What was Schiller's or no make that Leon's first literary cabaret?
[EX A]:
What was Leon's first literary cabaret?