Question: Boxing in the 1980s was filled with important fights, events and personalities that shaped the sport, WBO and which one of how many major organizations recognized by the International Boxing Hall of Fame (IBHOF) which sanction world championship boxing bouts, began operating?
Sentence (from "Boxing in the 1980s"): Boxing in the 1980s was filled with important fights, events and personalities that shaped the sport.
Relevant evidence: No