Question: Renzo Gracie is a Brazilian mixed marital artist who holds a notable victory over a former UFC Welterweight Champion and Pride FC Japan MMA Legend who is known as what?
Sentence (from "Stephen Thompson (fighter)"): Stephen Randall Thompson (born February 11, 1983) is an American professional mixed martial artist and former professional full-contact kickboxer who currently fights as a welterweight in the Ultimate Fighting Championship.
Relevant evidence: No