Question: Lee Hwan-kyung debuted with a movie written by who?
Related documents: [0]  [DOC] Lee Hwan-kyung (born 1970) is a South Korean film director and screenwriter. Lee debuted with "He Was Cool" (2004). His next two features, "Lump Sugar" (2006) revolves around Si-eun who dreams of becoming a jockey and "Champ" (2011), which is based on a true story, depicts the relationship between a recently injured racehorse and the jockey who is gradually losing his eyesight. His fourth feature "Miracle in Cell No. 7" (2013) became the biggest hit of the year with more than 12.32 million viewers. [END] 
[1]  [DOC] He Was Cool (; lit. "That Guy was Cool") is a 2004 South Korean film based on the same-titled 2001 Internet novel written by Guiyeoni. The film was released in South Korean cinemas on July 23, 2004 and was the 35th most attended film of the year with 800,000 admissions. [END] 
Answer: 
Guiyeoni
Guiyeoni