Question: Defendant, is a South Korean television series stars include Kwon Yu-ri, better known by the mononym Yuri, is a South Korean singer and actress, and debuted as a member of which girl group, in August 2007?
Sentence (from "Tiffany Hwang discography"): She debuted as a member of South Korean girl group Girls' Generation under S.M. Entertainment in August 2007 and has since achieved immense popularity on the Asian music scene.
Relevant evidence: No