Question:  Donald Corren is an American Broadway and film actor and screenwriter who created the role of Cosmé McMoon opposite Judy Kaye's Florence Foster Jenkins,  an American socialite and amateur soprano who was known and mocked for her flamboyant performance costumes and what poor ability?
Sentence (from "Donald Corren"): Donald Corren is an American Broadway and film actor and screenwriter.
Relevant evidence: Yes