Question: What Japanese mixed martial artist and professional wrestler fought a former UFC Heavyweight Champion who was previously associated with Mark Coleman's Team Hammer House?
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