Question: Lousiville Falls Fountain, intended as a major tourist attraction,  is located near the Belle of Louisville which was first put into service on what river?
Sentence (from "Belle of Louisville"): Originally named "Idlewild", she was built by James Rees & Sons Company in Pittsburgh, Pennsylvania, for the West Memphis Packet Company in 1914 and was first put into service on the Allegheny River.
Relevant evidence: Yes