Question: Who directed the South Korean film for which Choo Ja-hyun was best known? 
Sentence (from "Choo Ja-hyun"): Best known in Korea for the films "Bloody Tie" (2006) and "Portrait of a Beauty" (2008), Choo has mostly worked in China since 2007, notably in television drama "The Temptation to Go Home" (2011).
Relevant evidence: Yes