Question: Shin Eun-kyung is best known for her leading role in a South Korean film about a female gang boss who needs to get married to fulfill what?

full_context: Document 1: Lee Eun-ju: Lee Eun-ju (22 December 1980 – February 22, 2005) was a South Korean actress. She was the star of hit films including "Taegukgi" and "The Scarlet Letter". She committed suicide at age 24.
Document 2: Jun Ji-hyun: Jun Ji-hyun (born Wang Ji-hyun on 30 October 1981), also known as Gianna Jun, is a South Korean actress. She rose to fame for her role as The Girl in the romantic comedy "My Sassy Girl" (2001), one of the highest-grossing Korean comedies of all time. Other notable films include "Il Mare" (2000), "Windstruck" (2004), "The Thieves" (2012), "The Berlin File" (2013) and "Assassination" (2015).
Document 3: Lady Vengeance: Lady Vengeance (; lit. "Kind-hearted Geum-ja"; Korean English title: Sympathy for Lady Vengeance) is a 2005 South Korean psychological thriller film by director Park Chan-wook. The film is the third installment in Park's "The Vengeance Trilogy", following "Sympathy for Mr. Vengeance" (2002) and "Oldboy" (2003). It stars Lee Young-ae as Lee Geum-ja, a woman released from prison after serving the sentence for a murder she did not commit. The film tells her story of revenge against the real murderer.
Document 4: My Dear Desperado: My Dear Desperado (; lit. My Gangster Lover) is a 2010 South Korean romantic comedy film written and directed by Kim Kwang-sik, and starring Park Joong-hoon and Jung Yu-mi as two people who become semi-basement one-room neighbors: brave yet jobless Se-jin and Dong-chul, the neighborhood gangster who always gets beaten up. The film received 688,832 admissions nationwide. This film was remade in Hindi titled "Jayantabhai Ki Luv Story" in 2013 starring Vivek Oberoi opposite Neha Sharma in lead roles. The movie was officially remade in Tamil by Nalan Kumarasamy titled "Kadhalum Kadandhu Pogum" for which () or ₩71,587,640.57 was paid as copyrights.
Document 5: Jo Jin-kyu: Jo Jin-kyu (born 1960) is a South Korean film director. Jo's directorial debut was the hit gangster comedy "My Wife Is a Gangster" (2001). He returned to the series with "My Wife Is a Gangster 3" in 2006. In 2016, he directed a joint Korean-Chinese film "Sweet Sixteen" (2016) starring Joo Won.
Document 6: Gangster (film series): The "Gangster" film series is a Bollywood crime thriller film series written, directed and produced by Ram Gopal Varma. It is based on the Indian mafia organization D-Company, known to be run by Dawood Ibrahim. The first film came in 1998: the critically acclaimed "Satya", later followed by "Company" and then the prequel "D", with storylines based on the Mumbai underworld. "Satya" has won six Filmfare Awards, including the Critics Award for Best Film.
Document 7: Shim Eun-kyung: Shim Eun-kyung (born May 31, 1994) is a South Korean actress. She has starred in the box office hits "Sunny" (2011), "Miss Granny" (2014) and "Fabricated City" (2017), as well as television series "Cantabile Tomorrow" (2014).
Document 8: My Wife Is a Gangster: My Wife Is a Gangster () is a 2001 South Korean film directed by Jo Jin-kyu; it's about a female gang boss who needs to get married to fulfill her dying sister's wishes. A sequel, "My Wife Is a Gangster 2", was released in 2003, with a third ("My Wife Is a Gangster 3") released at the end of 2006.
Document 9: Shin Ha-kyun: Shin Ha-kyun (born May 30, 1974) is a South Korean actor. His notable films include "Joint Security Area" (2000), "Sympathy for Mr. Vengeance" (2002), "Save the Green Planet!" (2003), and "Welcome to Dongmakgol" (2005).
Document 10: Lim Eun-kyung: Lim Eun-kyung (born January 15, 1984) is a South Korean actress. Lim first rose to fame as the "TTL Girl" in a series of SK Telecom commercials, then pursued a professional acting career. She starred in the films "Resurrection of the Little Match Girl", "Conduct Zero", "Doll Master", and "Marrying High School Girl".
Document 11: All About My Wife: All About My Wife () is a 2012 South Korean romantic comedy film directed by Min Kyu-dong, about a timid husband who hires a professional Casanova to seduce his seemingly perfect but fearsome wife, hoping this will make her divorce him. Starring Im Soo-jung, Lee Sun-kyun and Ryu Seung-ryong, the movie was released in theaters on May 17, 2012.
Document 12: Shin Eun-kyung: Shin Eun-kyung (born 15 February 1973) is a South Korean actress. She is best known for her leading roles in "Downfall" (1997) and "My Wife Is a Gangster" (2001).
Document 13: My Wife Got Married: My Wife Got Married () is a 2008 South Korean film. Directed by Jeong Yoon-soo and starring Kim Joo-hyuk and Son Ye-jin in the lead roles, the film is adapted from a bestselling novel of the same name by Park Hyun-wook.
Document 14: Shin Se-kyung: Shin Se-kyung (born July 29, 1990) is a South Korean actress and singer. She started as a child actress and had her breakthrough in 2009 with the sitcom "High Kick Through the Roof". Since then she starred in the films "Hindsight" (2011), "" (2012) and "" (2014), as well as the television series "Deep Rooted Tree" (2011), "The Girl Who Sees Smells" (2015) and "Six Flying Dragons" (2015-2016).
Document 15: Shim Eun-ha: Shim Eun-ha is a retired South Korean actress. Shim rose to popularity in the 1990s, starring in some of the highest-rated Korean dramas of all time, such as "The Last Match", "M" and "Trap of Youth". But she is best known for her acclaimed performance in Hur Jin-ho's melodrama "Christmas in August", for which she swept the Best Actress awards in 1998. This was followed by another well-received turn in romantic comedy "Art Museum by the Zoo". Shim suddenly retired from show business at the height of her fame in 2001, and her mystique solidified her status as the most beloved South Korean actress of that decade.
ground_truth: her dying sister's wishes