Question: Naazim Richardson trained the boxer known for winning gold medal at what 2007 event?
Sentence (from "Naazim Richardson"): Richardson is most notable for training Bernard Hopkins and "Sugar" Shane Mosley, in addition to Steve Cunningham and Karl Dargan; furthermore, he is known for catching Antonio Margarito with plaster knuckle pads in his hand-wraps, prior to Margarito's fight with Mosley, leading to Margarito's eventual 1 year suspension from the sport of boxing.
Relevant evidence: Yes