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)"): Gunnar Lúðvík Nelson (born 28 July 1988) is an Icelandic mixed martial artist currently competing in the Welterweight division of the Ultimate Fighting Championship.
Relevant evidence: Yes