Question: Yoo Ha, is a South Korean film director, screenwriter and a contemporary poet, he directed the critically acclaimed film,  "Once Upon a Time in High School" (2004), is a South Korean drama film, the background of the film is set in a high school in which country?

Context paragraphs:
Seopyeonje: Seopyeonje () is a 1993 South Korean musical drama film directed by Im Kwon-taek.  Its story tells of a family of traditional Korean pansori singers trying to make a living in the modern world.  The film was originally expected to only draw limited interest, and was released on only one screen in Seoul.  At the height of its popularity, it was shown on only three screens at once in the entire city of over 10 million.  Nevertheless, it ended up breaking box-office records and became the first Korean film to draw over a million viewers in Seoul alone.  When it was released, "Sopyonje"'s success also increased interest in pansori among modern audiences.  The film was acclaimed critically, both in South Korea and abroad, getting screened in Cannes Film Festival and winning six Grand Bell Awards and six Korean Film Critics' Awards.

Once Upon a Time in High School: Once Upon a Time in High School: The Spirit of Jeet Kune Do (Korean: 말죽거리 잔혹사 ) is a 2004 South Korean drama film.  The background of the film is set in a high school in South Korea, .  The original Korean title literally means "cruel history of Maljuk street" and one of the filming locations was the present neighborhood of Yangjae-dong, Seocho District in Seoul.

A Dirty Carnival: A Dirty Carnival (; lit: <nowiki></nowiki>"The Mean Street"<nowiki></nowiki>) is a South Korean neo-noir action thriller film directed by Yoo Ha.  It is Yoo Ha's fourth feature film, his previous work being the 2004 drama, "Once Upon a Time in High School".

Seok Rae-myeong: Seok Rae-myeong (May 19, 1936 – May 20, 2003) is a South Korean film director.  Seok made his directorial debut with "Until Next Time" (1972).  After the success of his film, "Yalkae, a Joker in High School" (1977), he directed "Mischief's Marching Song" (1977), "Prankster of Girl's High School" (1977) and "Our High School Days" (1978), leading a boom in teen movies during the late 1970s.

Yoo Ha: Yoo Ha (; or spelled Yu Ha; born February 9, 1963) is a South Korean film director, screenwriter and a contemporary poet.  He directed the critically acclaimed films "Marriage Is a Crazy Thing" (2002), "Once Upon a Time in High School" (2004), and "A Dirty Carnival" (2006).  The latter is a gangster movie with allusions to Martin Scorsese films like "Gangs of New York", "Mean Streets" and "Goodfellas".

Bohemian (band): Bohemian (Korean: 보헤미안 , Japanese: ボヘミアン; stylized as BOHEMIAN), is a three-member South Korean pop/ballad group, that along with group endeavors, has recorded many soundtracks, abbreviated as OSTs, for South Korean films and Korean drama or k-drama for television in South Korea, as individual artists.  The group is composed of (Korean: 박상우 ), (Korean: 김용진 ), and Yoo Kyu Sang (Korean: 유규상 ).  Bohemian debuted in 2010 with members Park Sang Woo and Yoo Kyu Sang.  In 2012, they were joined by Kim Yong Jin.  The group is managed by HMG Entertainment, with recordings released by their distribution company, LOEN Entertainment.  Through a LOEN Entertainment agreement with Viki, a video streaming site, both Kim Yong Jin and Bohemian are listed as artists, and their music videos can be viewed.

Marriage Is a Crazy Thing: Marriage Is a Crazy Thing is a 2002 South Korean film, and the second film directed by South Korean poet-turned-director Yoo Ha.

Gangnam Blues: Gangnam Blues (; lit.  Gangnam 1970) is a 2015 South Korean noir action film written and directed by Yoo Ha, and starring Lee Min-ho and Kim Rae-won.  The film is set in the 1970s against the backdrop of the real estate development of Seoul's Gangnam district amidst socio-political turmoil and terrorism.  The friendship of two childhood friends is tested as they find themselves entangled in the collusion and battles between political powers and criminal organizations.

Howling (2012 film): Howling () is a 2012 South Korean film written and directed by Yoo Ha based on the 1996 novel "The Hunter" (凍える牙 lit.  "Freezing Fang") by Japanese writer Asa Nonami.  The plot follows two detectives, a veteran male cop (Song Kang-ho) and female rookie (Lee Na-young), who discover that the serial killer they are after is not human, but instead a dog.

Peter Richardson (filmmaker): Peter Richardson is an American documentary film director.  A native of Philomath, Oregon, Richardson is a 1998 graduate of Philomath High School and attended University of Notre Dame on a scholarship.  After graduating from Notre Dame with a Bachelor of Arts degree in Film Production & Theory, Richardson moved to Los Angeles where he worked for a short time at a publicity company before moving back to Oregon to start work on his first film.  Richardson has directed two award-winning feature documentaries.  His first film, "" debuted at the 2006 Sundance Film Festival.  The film was later aired on the Sundance Channel.  Richardson's second film, "How to Die in Oregon", premiered on January 23 at the 2011 Sundance Film Festival.  In addition to directing the film, Richardson also acted as cinematographer, editor, and producer on "How to Die in Oregon".  The critically acclaimed film went on to win the Grand Jury Prize in the US Documentary competition.  The film premiered on HBO on May 26, 2011.  Richardson was the cinematographer on Irene Taylor Brodsky's documentary short film, "Saving Pelican 895", which aired on HBO on April 20, 2011.

Supporting paragraphs: Yoo Ha Once Upon a Time in High School
Answer: South Korea