Question: Genki Sudo holds a notable win over an American mixed martial artist who has been a professional competitor since what year?
Sentence (from "Genki Sudo"): Genki Sudo (須藤 元気 , Sudō Genki , born March 8, 1978 in Kōtō, Tokyo, Japan) is a Japanese singer, composer, choreographer, actor, professional calligrapher and author.
Relevant evidence: No