Question: The Professional Basketball Club LLC is an investment group headed by an American businessman who is the chairman of Dorchester Capital Corporation, and is also the chairman emeritus of the board of directors of what organization?
Sentence (from "Clay Bennett (businessman)"): Clayton Ike Bennett (born 1959) is an 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.
Relevant evidence: Yes