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"): He then coached the Los Angeles Lakers, who won five championships from 2000 until 2010.
Relevant evidence: No