Question: Young-hu Kim and Shinwa both have worked for what music company? 
Related documents: [0]  [DOC] Shinhwa () is a South Korean six-member boy band based in Seoul, composed of Eric Mun, Lee Min-woo, Kim Dong-wan, Shin Hye-sung, Jun Jin, and Andy Lee. Launched by SM Entertainment on 24 March 1998 and now managed by Shinhwa Company, the group is the longest-running boy band in the history of K-pop and one of the pioneers of the K-pop idol culture. [END] 
[1]  [DOC] Young-hu Kim is a South Korean music producer and songwriter. He works mainly with SM Entertainment artists, and has written songs for Girls Generation, Exo, TVXQ, BoA, Shinee, f(x), Super Junior, Shinhwa, and Fly to the Sky. [END] 
Answer: 
SM Entertainment
SM Entertainment