Question: Costa-Gavras produces most of his films himself, including "Betrayed" (1988), through his own production company called what?

Context paragraphs:
Sri Venkateswara Creations: Sri Venkateswara Creations (Telugu: శ్రీ వెంకటేశ్వర క్రియేషన్స్) is an Indian film production company established by Dil Raju, an Indian film producer.  The company is based in Hyderabad.  The company was established in 2003.  Raju has produced several Telugu films under this company.  The company also has a subsidiary distribution company called Sri Venkateswara Film Distributors under which several films have been distributed.  Telugu movies produced by the company include "Arya" (2004), "Bhadra" (2005), "Bommarillu" (2006), "Mr. Perfect" (2011) and "Seethamma Vakitlo Sirimalle Chettu"(2013).  The company also has another subsidiary film production company called Matinee Entertainments under which movies including "Maro Charitra" and "Gaganam" have been produced.

V. Harikrishna: V. Harikrishna (born 5 November 1974) is an Indian film score and soundtrack composer, playback singer and film producer.  He has mainly scored music for Kannada films.  After his stint as a programmer and assistant musician, Harikrishna made his debut as an independent composer in actor Darshan's first production venture "Jothe Jotheyali" in 2006.  Since then, he has been scoring for majority of Darshan's films besides working for many other leading production houses.  He owns an audio company called "D-Beats" (established: 2013) and produces music under his own company starting from the film "Bulbul" (2013).

Betrayed (1988 film): Betrayed is a 1988 American drama thriller film directed by Costa-Gavras, written by Joe Eszterhas, and starring Debra Winger and Tom Berenger.  The plot is roughly based upon the terrorist activities of American neo-Nazi and white supremacist Robert Mathews and his group The Order.

Charlie Stone (lawyer): Charlie Stone is an American attorney, entrepreneur, producer and director.  He starred in the TNT television series "Was justice denied" and founded a Chicago based video production company called Stone Road, where he produces and directs original programming, including the series, Morning Commute.  In 2012, he cofounded the strategic communications agency, Frequency540.com and is a founding investor of Few Spirits

Filmwala Pictures: Filmwala Pictures is a Pakistani Film Production Company which is based in Karachi; the Production house was founded by Fizza Ali Meerza, who also produces the films for the production company.  Nabeel Qureshi has directed three films for the production company; "Na Maloom Afraad", and "Actor in Law".  and "Na Maloom Afraad 2".  Fizza Ali Meerza has also served as writer and producer for the films.

Sean Hayes (actor): Sean Patrick Hayes (born June 26, 1970) is an American actor, comedian, and producer.  He is best known for his role as Jack McFarland on the NBC sitcom "Will & Grace", for which he won an Emmy Award, four SAG Awards, and one American Comedy Award, and earned six Golden Globe nominations.  He also runs a television production company called Hazy Mills Productions, which produces shows such as "Grimm", "Hot in Cleveland", "The Soul Man", and "Hollywood Game Night".

Costa-Gavras: Costa-Gavras (short for Konstantinos Gavras; Κωνσταντίνος Γαβράς; born 12 February 1933) is a Greek-French film director and producer, who lives and works in France.  He is known for films with overt political themes, most famously the fast-paced thriller "Z" (1969), but he has also made comedies.  Most of his movies have been made in French; however, six were made in English: "Missing" (1982), "Hanna K." (1983), "Betrayed" (1988), "Music Box" (1989), "Mad City" (1997) and "Amen. " (2002).  He produces most of his films himself, through his production company K.G. Productions.

Melanie Poole: Melanie (Mel) Poole is an Australian producer and writer.  She has run her own production company, called Production Hut, since 2006.  She is also the co-founder of a film production company called 18° Entertainment based in Queensland.

Goodtimes Enterprises: Goodtimes Enterprises was a British film production company, run by David Puttnam and Sanford Lieberson.  Their films include "Performance", "Melody", "That'll Be The Day", "Stardust", "Mahler", "Lisztomania" and "Bugsy Malone".  The company was formed by Lieberson in 1968 with "Performance", and Puttnam joined the company as a partner in 1970.  They also owned a small independent British film distribution company called Visual Programme Systems, (or VPS), which would sometimes produce and release documentaries such as "Brother, Can You Spare A Dime? "

Vin Di Bona: Vincent John "Vin" Di Bona (born 1944) is a television producer for many American television shows such as "America's Funniest People", "MacGyver", and "Entertainment Tonight", as well as "America's Funniest Home Videos".  He runs an eponymous production company called Vin Di Bona Productions.  In 2010 Di Bona launched a second business, FishBowl Worldwide Media, an independent production company developing properties for film, television, digital platforms and brands.

Supporting paragraphs: Costa-Gavras Betrayed (1988 film)
Answer: K.G. Productions