Question: Les Claypool and Cho Kyuhyun, are American?
Sentence (from "Cho Kyu-hyun discography"): He debuted as a member of South Korean boy band Super Junior in 2006 and subsequently became a part of its subgroup Super Junior-K.R.Y. in 2006 and Super Junior-M in 2008 as well as S.M. Entertainment's group SM the Ballad in 2010.
Relevant evidence: No