Question: The 1974-75 season for the Spirits of St. Louis was led by the player who had what nickname?
Sentence (from "1974–75 Spirits of St. Louis season"): The 1974-75 American Basketball Association season saw the Spirits of St. Louis, led by Marvin Barnes, Maurice Lucas, Gus Gerard and coach Bob MacKinnon, finish third in the ABA Eastern Division and defeat the New York Nets in the 1975 ABA Semifinals before losing in the Eastern Division Finals to the eventual ABA champion Kentucky Colonels.
Relevant evidence: Yes