Question: George Francis trained world champion Ugandan former professional boxer who competed from 1980 to 1991, and 1996 to 1999 and held the WBC super-welterweight title during what time period?
Sentence (from "John Mugabi"): As an amateur, Mugabi won a silver medal in the welterweight division at the 1980 Summer Olympics, and was the only medallist for Uganda at the event.
Relevant evidence: No