Question: ZenQuest Martial Arts Center is affiliated with an association by a Brazilian mixed martial artist who is regarded as one of the greatest what in MMA history?
Sentence (from "ZenQuest Martial Arts Center"): It is affiliated with the Okinawan Karatedo Association, Demian Maia Jiu-Jitsu Association, and Team Sityodtong Boston, and is accredited by the North American Grappling Association.
Relevant evidence: Yes