Question: Which professional basketball player won a NBA championship and spoke positively on the book "the 21 irrefutable laws of leadership"?
Sentence (from "Kareem Abdul-Jabbar"): Kareem Abdul-Jabbar (born Ferdinand Lewis Alcindor Jr.; April 16, 1947) is an American retired professional basketball player who played 20 seasons in the National Basketball Association (NBA) for the Milwaukee Bucks and the Los Angeles Lakers.
Relevant evidence: No