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"): After turning professional he was a regular fixture on "ITV Fight Night" in the 1980s.
Relevant evidence: No