Question: What lake in the westernmost region of the state of New York had an authentic Mississippi River-style sternwheel steamboat operating on it?
Sentence (from "Chautauqua Belle"): The steamer Chautauqua Belle is an authentic Mississippi River-style sternwheel steamboat owned and operated by U.S. Steam Lines Ltd, operating on Chautauqua Lake in Western New York.
Relevant evidence: Yes