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?

<P0-S0> Demian Augusto Maia Baptista (] born November 6, 1977) is a Brazilian mixed martial artist and Brazilian Jiu-Jitsu practitioner. <P0-S1>  He currently fights as a welterweight for the Ultimate Fighting Championship. <P0-S2>  As of May 20, 2017, he is #1 in the official UFC welterweight rankings. <P0-S3>  Maia is regarded as one of the greatest grapplers in MMA history. <SEP> <P1-S0> ZenQuest Martial Arts Center, formerly called the Okinawan Karate School, is a martial arts school located in Lenox, Massachusetts. <P1-S1>  The oldest martial arts school in Berkshire County, it was founded in 1972 as a dojo for Uechi-ryu karate. <P1-S2>  The school since expanded to include other martial arts, and currently provides instruction in Shohei-ryu karate (a spin-off of Uechi-ryu), Brazilian jiu-jitsu, mixed martial arts, Muay Thai, boxing, wrestling, kobudo, and self-defense, and is the fastest growing martial arts community in Berkshire County. <P1-S3>  The school also contains a store which provides equipment, gear, and instructional media. <P1-S4>  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. <P1-S5>  ZenQuest has received significant coverage by regional and local media in Berkshire County, including "The Berkshire Eagle", "Berkshires' Best Buys, Business, and Beyond", and Pittsfield Cable Television, for its regular youth tournaments and seminars with high-ranking officials from the school's parent organizations. <SEP> <P2-S0> Mariusz Ryszard Linke (born July 31, 1969) is a Polish professional mixed martial artist and grappler who is most notable for being the first Polish born black belt in Brazilian jiu-jitsu, the highest ranking active Polish judoka and BJJ practitioner in both mixed martial arts and grappling, and one of the most decorated grapplers in Poland, he is also the first Polish grappler to travel to Brazil and receive training under a Gracie trained Brazilian jiu-jitsu black belt. <P2-S1>  Linke has notably competed in the European Championship, NAGA, Grapplers Quest, ADCC and the Pan American Games. <P2-S2>  Linke is currently in talks with top Polish promotion Konfrontacja Sztuk Walki to negotiate a 2 fight contract to close out his mixed martial arts career by the end of 2015, Linke has stated despite retiring from fighting he will still continue his grappling career and is rumored to be in the 2014 ADCC Polish Trials to enter the 2015 ADCC World Championship. <SEP> <P3-S0> Rodrigo Gracie (born March 11, 1975) is a retired Brazilian mixed martial artist and Brazilian Jiu-Jitsu practitioner. <P3-S1>  A member of the famous Gracie family, Rodrigo is a 5th Degree Black Belt in Gracie Jiu-Jitsu and a Gold Medalist in the 1998 ADCC Submission Wrestling World Championship. <P3-S2>  While competing in PRIDE Fighting Championships, Gracie was ranked amongst the top Middleweight fighters from 2003 to 2004 due to an undefeated streak with consecutive victories over Hayato Sakurai, Daiju Takase, Yuki Sasaki, and Daijiro Matsui.