Question: The 1989–90 NBA season was the Bulls' 24th season in the National Basketball Association, despite their solid playoff run last year, the Bulls fired head coach Doug Collins and replaced him with who, a former American professional basketball player, coach and executive in the National Basketball Association (NBA)?
Sentence (from "Phil Jackson"): In total, Jackson has won 11 NBA titles as a coach, surpassing the previous record of nine set by Red Auerbach.
Relevant evidence: No