Question: Henry Patrick "Hank" Egan Jr., is a professional basketball coach in the National Basketball Association, he has also been an assistant with the San Antonio Spurs, to which American basketball coach who is currently the head coach of the San Antonio Spurs?
Sentence (from "List of San Antonio Spurs head coaches"): In 1976, the ABA folded, threatening the future of San Antonio's sole professional sports franchise.
Relevant evidence: No