Question: Who directed the South Korean film for which Choo Ja-hyun was best known? 
Sentence (from "Portrait of a Beauty"): Adapted from the bestselling novel "Painter of the Wind" () by Lee Jung-myung, the film portrays Joseon-era painter Shin Yun-bok (better known by his pen name, Hyewon) as being a woman disguised as a man.
Relevant evidence: No