Question: St. Clair Bayfield is best known as the manager of an American socialite who was ranked as what by Stephen Pile?
Sentence (from "Florence Foster Jenkins"): Florence Foster Jenkins (born Narcissa Florence Foster; July 19, 1868 – November 26, 1944) was an American socialite and amateur soprano who was known and mocked for her flamboyant performance costumes and notably poor singing ability.
Relevant evidence: Yes