Question:  Ambrose Mendy (born August 1954) is a British boxing manager, advisor and sports agent, he has managed and/or advised Errol Christie among others during a career in boxing, he was a professional boxer and boxing trainer, of which nationality?
Sentence (from "Errol Christie"): He was the captain of the English amateur boxing team from 1980 to 1983 and European amateur champion in 1983.
Relevant evidence: No