Question: The Professional Basketball Club LLC is an investment group headed by who, which American businessman and chairman of the Professional Basketball Club LLC, the ownership group of the Oklahoma City Thunder, an NBA franchise formerly known as the Seattle SuperSonics?
Sentence (from "Clay Bennett (businessman)"): Bennett is the chairman of Oklahoma City-based Dorchester Capital Corporation, as well as the chairman emeritus of the board of directors of the Oklahoma Heritage Association and chairman of the Board of Regents of the University of Oklahoma.
Relevant evidence: No