C'est si bon () is a 2015 South Korean musical drama film written and directed by Kim Hyun-seok.
 It was released on February 5, 2015.
Kim Hyun-seok (born June 7, 1972) is a South Korean film director and screenwriter.
 Kim wrote and directed "YMCA Baseball Team" (2002), "When Romance Meets Destiny" (2005), "Scout" (2007), "Cyrano Agency" (2010), and "C'est Si Bon" (2015).
 He also directed "11 A.M." (2013), and wrote "If the Sun Rises in the West" (1998) and "Joint Security Area" (2000).
Cyrano Agency (; lit.
 "Cyrano Dating Agency") is a 2010 South Korean romantic comedy starring Uhm Tae-woong, Park Shin-hye, Choi Daniel, Park Chul-min and Lee Min-jung.
 It is a modern take on Edmond Rostand's 1897 play "Cyrano de Bergerac", which focuses on a dating agency that helps its customers win the hearts of the people they desire.
 Produced by Myung Films and distributed by Lotte Entertainment, the film was released on September 16, 2010 and ran for 121 minutes.
 The film was later remade into the Tamil-language as Idhu Enna Maayam.
11 A.M. (; lit.
 "AM 11:00") is a 2013 South Korean sci-fi thriller film directed by Kim Hyun-seok, and starring Jung Jae-young, Kim Ok-bin and Choi Daniel.
 It was released in theaters on November 28, 2013.
Kim Hyun-Seok (born May 5, 1967) is a former South Korean football Striker.
I Can Speak is a 2017 South Korean film directed by Kim Hyun-seok, starring Na Moon-hee and Lee Je-hoon.
 The film was released on September 21, 2017.
Miss, Please Be Patient is a 1981 South Korean romantic comedy action film starring Kim Tai-chung and Jeong Yun-hui.
 The movie is also known as Super Lady Hopper as an alternate title.
 The movie is apparently Kim Tai-chung's rarest movie appearance in South Korea.
 It was directed by Lee Hyung Pyo and released domestically in 1981, but the international release was cancelled.
A Gentleman's Dignity () is a 2012 South Korean romantic comedy television series starring Jang Dong-gun, Kim Ha-neul, Kim Min-jong, Kim Su-ro, and Lee Jong-hyuk.
 It aired on SBS from May 26 to August 12, 2012 on Saturdays and Sundays at 21:55 for 20 episodes.
Unstoppable Marriage is a 2007 South Korean romantic comedy film.
 It stars veteran actors Kim Soo-mi and Im Chae-moo alongside popstar and television actress Eugene and Ha Seok-jin.
 The film is Eugene's big screen debut, and is also the directorial debut of Kim Seong-wook, who previously worked as an assistant director on other films such as "Fun Movie" (2002), "My Teacher, Mr. Kim" (2003) and "Lovely Rivals" (2004).
Mary Stayed Out All Night (; also known as "Marry Me, Mary!")
 is a 2010 South Korean romantic comedy television series, starring Moon Geun-young, Jang Keun-suk, Kim Jae-wook and Kim Hyo-jin.
 It is based on the Daum webtoon of the same title by Won Soo-yeon.
 It aired on KBS2 from November 8, to December 28, 2010 on Mondays and Tuesdays at 21:55 for 16 episodes.

Question: In what year was the South Korean Romantic comedy directed by Kim Hyun-seok produced? 2010
Answer: 2010