Question: John Raymond Kavanagh, an Irish martial arts coach, whose students include fighters such as Conor McGregor and Gunnar Nelson, an Icelandic mixed martial artist currently competing in the Welterweight division of what championship?
Sentence (from "Gunnar Nelson (fighter)"): He is a black belt in Brazilian Jiu-Jitsu, which was awarded by Renzo Gracie after impressive results at the 2009 IBJJF Pan-Ams and the 2009 ADCC Submission Wrestling World Championship.
Relevant evidence: No