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?
{'answer': 'from 1989 to 1990', 'supporting_facts': [['George Francis (trainer)', 0], ['John Mugabi', 0], ['John Mugabi', 1]]}