Question: What player, also known by his nickname Dr. Dunkenstein, retired following the 1990-91 Utah Jazz season?
Sentence (from "1990–91 Utah Jazz season"): They ended up falling one game short of the Midwest Division title with another stellar record of 54–28, as Karl Malone finished second in the league in scoring with 29.0 points per game, and John Stockton led the league with 14.2 assists per game.
Relevant evidence: No