Question: What South Korean boy band was formed by CJ E&M and has Park Ji-hoon as one of its 11 members?
Sentence (from "CJ E&amp;M Music Performance Division"): CJ E&M Music Performance Division (Hangul: CJ E&M 음악공연사업부문 "CJ E&M eumak gongyeon saeopbumun"), also known as CJ E&M Music and Live (or Music·Live), formerly known as Mediopia Technology Corp., GM Agency Co. Ltd., CJ Music Inc. and Mnet Media Corp., is a South Korean entertainment company established by CJ Group subsidiary CJ E&M.
Relevant evidence: No