Question: Referee Hue Hollins was probed by the FBI over the 2007 NBA betting scandal involving a former referee that officiated how many regular season games during his career?
Sentence (from "Hue Hollins"): Hue Spencer Hollins, Sr. (November 28, 1940 - July 4, 2013)  was an American professional basketball referee for the National Basketball Association (NBA).
Relevant evidence: No