Question: What is the name of the Brazilian mixed martial artist and Brazilian Jiu-Jitsu practitioner, whose associated is affiliated with the ZenQuest Martial Arts Center?
Sentence (from "Renzo Gracie"): He holds notable victories over five former UFC Champions: Frank Shamrock (UFC Light Heavyweight Champion), Carlos Newton (UFC Welterweight Champion), Pat Miletich (UFC Welterweight Champion), Maurice Smith (UFC Heavyweight Champion), and Oleg Taktarov (UFC 6 Tournament Winner)
Relevant evidence: No