Question: The light heavyweight champion Ronald Johnson is known for fighting and promoting big boxing events that featured which Cuban American former professional boxer who won a gold medal as an amateur at the 1992 Olympics?
Sentence (from "Ronald Johnson (boxer)"): Ronald Johnson is known both for fighting and promoting big boxing events that featured Zab Judah, Joel Casamayor, Michael Grant, Hector Camacho Jr. and many other notable names in the sport.
Relevant evidence: Yes