Question: Which South Korean film director directed the 2012 romance "Love 911"

full_context: Document 1: Mun Che-yong: Mun Che-yong (born 1979) is a South Korean film director and screenwriter. Mun was assistant director of the films "All for Love" (2005) and "" (2006). His directorial debut "Shoot Me in the Heart" (2015), starring Lee Min-ki and Yeo Jin-goo, is based on the award-winning novelist Jeong Yu-jeong's bestselling novel of the same name. The film was invited to the 28th Tokyo International Film Festival in 2015. His short film "Twins" (2007) won the Best Film in A Short Film About Love at the 2007 Mise-en-scène Short Film Festival.
Document 2: Lovers (TV series): Lovers () is a South Korean television series starring Kim Jung-eun and Lee Seo-jin who play a plastic surgeon and a gangster who enter into an unlikely romance. The series is based on the Lee Man-hee stage play "Turn Around and Leave", the same work that inspired the 1998 blockbuster film "" starring Jeon Do-yeon and Park Shin-yang. It aired on SBS from November 8, 2006 to January 11, 2007 on Wednesdays and Thursdays at 21:55 for 20 episodes.
Document 3: Jeong Gi-hun: Jeong Gi-hun (born 1974) is a South Korean film director and screenwriter. Jeong made his debut with the hit dramedy film "Goodbye Mom" (2009), which received numerous nominations and awards, including Best Director for Asian New Talent Award at the 2010 Shanghai International Film Festival. His second feature, the romantic drama "Love 911" (2012), was also a box office hit.
Document 4: Jin Goo: Jin Goo (born July 20, 1980) is a South Korean actor. He won Best Supporting Actor at the Grand Bell Awards and Blue Dragon Film Awards for his role in Bong Joon-ho's 2009 noir thriller "Mother". He is also best known for his role in the critically and commercially successful series "Descendants of the Sun".
Document 5: Han Ga-in: Han Ga-in (born Kim Hyun-joo on February 25, 1982) is a South Korean actress. She starred in television series "Yellow Handkerchief" and "Terms of Endearment" early in her career, and became a sought-after model in commercials. Her projects in 2012 were hugely successful, with her period drama "Moon Embracing the Sun" topping the TV ratings chart, and her film "Architecture 101" becoming a box office hit.
Document 6: Go Soo: Go Soo (born October 4, 1978), also known as Ko Soo, is a South Korean actor. He has appeared in television series such as "Piano", "Green Rose" and "Will It Snow for Christmas?", as well as the films "White Night" and "The Front Line".
Document 7: Love Rain: Love Rain () is a 2012 South Korean television series directed by Yoon Seok-ho. Set in the seventies and the present day, it tells a love story over two generations, with Jang Keun-suk and Im Yoon-ah playing dual roles. It aired on KBS2 from March 26 to May 29, 2012 on Mondays and Tuesdays at 21:55 for 20 episodes.
Document 8: Kim Jee-woon: Kim Jee-woon (; born July 6, 1964) is a South Korean film director and screenwriter. Kim Jee-woon has a history of successfully tackling a wide range of film genres, garnering a cult following among fans of Asian cinema.
Document 9: Love, Lies (2016 film): Love, Lies () is 2016 South Korean period drama film directed by Park Heung-sik, reuniting "The Beauty Inside" co-stars Han Hyo-joo, Chun Woo-hee and Yoo Yeon-seok. The story takes place in 1943, during the Imperial Japanese occupation of Korea. In the film, best friends Jung So-yul (Han Hyo-joo) and Seo Yeon-hee (Chun Woo-hee) are two of the last remaining "gisaeng". Although they enjoy pop music, they are committed to singing "jeongga", or classical Korean songs. So-yul's life falls apart when her lover, pop music producer Kim Yoon-woo (Yoo Yeon-seok), falls in love with Yeon-hee and helps her debut as a pop singer. The story follows So-yul's downward spiral as she is consumed by uncontrollable jealousy.
Document 10: In Love and War (2011 film): In Love and War (; lit. "Sleeping with the Enemy") is a 2011 South Korean comedy/drama/romance film starring Kim Joo-hyuk and Jung Ryeo-won. In June 1950, soon after the Korean War breaks out, a troop of North Korean soldiers enter a small South Korean village. The troop captain proclaims that they came to liberate the villagers but their true agenda is to ferret out the reactionaries. The villagers offer them heartfelt hospitality and cooperation to avoid falling out of the army's favor. Eventually genuinely strong and close friendship starts to build up between the soldiers and the villagers.
Document 11: Jeon Kyu-hwan: Jeon Kyu-hwan (born 1965) is a South Korean film director and screenwriter. Besides being the first Korean film to win the 2012 Queer Lion at the 69th Venice International Film Festival, "The Weight" (2012) also won various awards at film festivals, including Best Director at the 16th Tallinn Black Nights Film Festival and Silver Peacock Award for best director at the 43rd International Film Festival of India in 2012.
Document 12: Love 911: Love 911 (; lit. "Bandage" or "Band-Aid") is a 2012 South Korean film starring Go Soo and Han Hyo-joo about an unlikely romance between a dedicated firefighter with a painful past and a cold-hearted doctor who is solely focused on her career. It was released in theaters on December 19, 2012.
Document 13: John H. Lee (director): Lee Jae-han (born 1971), also known as John H. Lee, is a South Korean film director and screenwriter. Lee studied filmmaking at New York University. Although making films of different genres each time, his directing talent, chic and sensuous, runs through all his works. Since his debut in 2000, he has made several box office successes such as "A Moment to Remember" (2004), "Sayonara Itsuka" (2010), "" (2010) and "Operation Chromite" (2016).
Document 14: July Jung: Jung Joo-ri (born 1980), also known as July Jung, is a South Korean film director and screenwriter. Jung's directorial debut feature "A Girl at My Door" won the Best First Film at the 25th Stockholm International Film Festival. She also won the Best New Director at the 23rd Buil Film Awards and Best Director/Screenwriter at the 15th Women in Film Korea Awards in 2014, and Best Screenplay at the 2nd Wildflower Film Awards and Best New Director for film at the 51st Baeksang Arts Awards in 2015.
Document 15: Lee Jung-gook: Lee Jung-gook (born August 20, 1957) is a South Korean film director and screenwriter. Lee's feature debut "Song of Resurrection" (1990) was banned as its plot deals with the 1980 Gwangju Uprising. However, he won critical acclaim for his second feature "The Story of Two Women" (1994) by winning numerous awards at the 32nd Grand Bell Awards, including Best Film, Best New Director and Best New Actress, and Best New Director at the 14th Korean Association of Film Critics Awards in 1994. He proved his box office senses with "The Letter" (1997) that created a wave of melodrama in the Korean movie industry. A Thai version of "The Letter" was made in 2004, with the same title.
ground_truth: Jeong Gi-hun