Question: What movie did Kong Su-chang direct and what was it?

full_context: Document 1: Cure (film): Cure (キュア , Kyua ) is a 1997 Japanese psychological thriller film with elements of horror and film noir written and directed by Kiyoshi Kurosawa, starring Koji Yakusho, Masato Hagiwara, Tsuyoshi Ujiki and Anna Nakagawa. The film was released to strong critical acclaim in both the East and the West, with critics praising Kurosawa's direction as well as the visuals and atmosphere. In 2012, South Korean film director Bong Joon-ho listed the film as one of the greatest films of all time.
Document 2: Ju-On: The Curse: Ju-on: The Curse (呪怨 , Juon ) , also known as simply Ju-on, is a 2000 Japanese V-Cinema Supernatural horror film and the first installment in the "Ju-on" franchise, following two short films. The film was written and directed by Takashi Shimizu and is divided in six parts, chronicling the experiences of tenants of a cursed house where a man, Takeo Saeki (Takashi Matsuyama) killed his wife, Kayako (Takako Fuji), and his son, Toshio (Ryota Koyama), in a jealous rage. It was followed by "" in the same year.
Document 3: Ju-On (franchise): Ju-On (呪怨 , Juon , lit. "Curse Grudge", also known as The Grudge) is a Japanese horror franchise created by Takashi Shimizu, consisting of 12 feature films. Shimizu attended the Film School of Tokyo, where he studied under Kiyoshi Kurosawa. Kurosawa helped Shimizu shepherd the "Ju-On" projects to fruition.
Document 4: The Guard Post: The Guard Post (GP 506 in South Korea) is a 2008 Korean horror film written and directed by Kong Su-chang.
Document 5: Thirst (2009 film): Thirst (Korean: 박쥐; Bakjwi ; literally: "Bat") is a 2009 South Korean horror film written, produced and directed by Park Chan-wook. It is loosely based on the novel "Thérèse Raquin" by Émile Zola. The film tells the story of a Catholic priest—who is in love with his friend’s wife—turning into a vampire through a failed medical experiment. Park has stated, "This film was originally called 'The Bat' to convey a sense of horror. After all, it is about vampires. But it is also more than that. It is about passion and a love triangle. I feel that it is unique because it is not just a thriller, and not merely a horror film, but an illicit love story as well." The film won the Jury Prize at the 2009 Cannes Film Festival. It is the first mainstream Korean film to feature full-frontal male nudity.
Document 6: Chang (director): Yoon Hong-seung (born 1975), who also goes by the pseudonym Chang, is a South Korean film director and screenwriter. A former music video director, Chang debuted with the Korean horror film "Death Bell" in 2008. His second feature "The Target" (2014) - a remake of the 2010 French film "Point Blank", won the Golden Goblet Award at the Shanghai International Film Festival, and was also invited to the Cannes Film Festival and Busan International Film Festival in 2014.
Document 7: Lee Chang-dong: Lee Chang-dong (; born July 4, 1954) is a South Korean film director, screenwriter and novelist. He is best known for his films "Peppermint Candy", "Oasis", "Secret Sunshine", and "Poetry". Lee had won Special Director's Award at the 2002 Venice Film Festival and the Best Screenplay award at the 2010 Cannes Film Festival; he has also been nominated for the Golden Lion and the Palme d'Or. Lee served as South Korea's Minister of Culture and Tourism from 2003 to 2004.
Document 8: Shim Sung-bo: Shim Sung-bo (born 1972) is a South Korean film director and screenwriter. Shim became notable when he co-wrote "Memories of Murder" with director Bong Joon-ho in 2003. Besides winning numerous awards and being widely considered as one of the greatest Korean films of all time, "Memories of Murder" was praised for its twisting genre conventions that made it a big hit in Korea (with over 5.1 million admissions, making it the most watched film during the year 2003 in South Korea) as well as a successful piece of social cinema that engaged with Korea's troubled history.
Document 9: The Ring Virus: The Ring Virus () is a South Korean horror film adapted from the Japanese novel "Ring" by Koji Suzuki. A joint project between Japan and Korea, this version has Park Eun-Suh as the creator of the cursed videotape. Although the filmmakers claimed that the film was adapted from the novel, there are various scenes in the film that match the 1998 film "Ring", such as the sex of the lead character, some of the scenes on the videotape as well as copying other film scenes directly from the original film, including the film's climax.
Document 10: Kim Sung-su (director): Kim Sung-su (; born November 15, 1961) is a South Korean film director, known mainly for the teen film "Beat", period epic "Musa" and the comedy "Please Teach Me English".
Document 11: The Ring (2002 film): The Ring is a 2002 American supernatural psychological horror film directed by Gore Verbinski and starring Naomi Watts, Martin Henderson, and David Dorfman. It is a remake of the 1998 Japanese horror film "Ringu", which was based on the novel of the same name, written by Koji Suzuki.
Document 12: Jeong Chang-hwa: Jeong Chang-hwa (born November 1, 1928) is a South Korean film director, producer and screenwriter. Jeong made his directorial debut with "The Final Temptation" (1953) and gained attention only when he released "A Sunny Field" in 1960. During the 1960s he started collaborating with the Hong Kong film industry. In 1968, he joined Shaw Brothers and directed martial arts classics such as "King Boxer" (1972) (the first Korean movie to reach No. 1 on the U.S. box office in 1972). He moved to Golden Harvest in 1973, where he directed numerous productions until he returned to South Korea in 1977 to continue his career.
Document 13: Kong Su-chang: Kong Su-chang (born 1961) is a South Korean film director and screenwriter. Kong started as a screenwriter and is behind hits such as "White Badge" (1992), "The Ring Virus" (1999) and "Tell Me Something" (1999). He debuted with the military-themed "R-Point" (2004), and then "The Guard Post" in 2008.
Document 14: The Ring Two: The Ring Two is a 2005 American supernatural psychological horror film and a sequel to the 2002 film "The Ring", which was a remake of the 1998 Japanese film "Ring". Hideo Nakata, director of the original Japanese film "Ring", on which the American versions are based, directed this film in place of Gore Verbinski.
Document 15: R-Point: R-Point () is a 2004 Korean horror film written and directed by Kong Su-chang. Set in 1972 Vietnam, during the Vietnam War, it stars Kam Woo-sung and Son Byong-ho as members of the South Korean military in Vietnam. Most of the movie was shot in Cambodia. Bokor Hill Station plays a prominent part of the movie, in this case doubling as a colonial French plantation.
ground_truth: The Ring Virus () is a South Korean horror film adapted from the Japanese novel "Ring"