Dario Argento (] ; born 7 September 1940) is an Italian film director, producer, film critic and screenwriter.
 He is best known for his work in the horror film genre during the 1970s and 1980s, particularly in the subgenre known as "giallo", and for his influence on modern horror movies.
Gorgon Video is a film production and distribution company focusing on the subgenre of extreme horror and "dark documentaries" based in the United States and Spain.
 The company is best known for the film "Devil Doll" (1964) and the "Faces of Death" series.
Kelly Lee Curtis (born June 17, 1956) is an American actress.
 She is best known for her film roles in "Trading Places" (1983), "Magic Sticks" (1987), and "The Devil's Daughter" (1991).
The Devil's Daughter (Italian title: La Setta), also known as The Sect and Demons 4, is a 1991 Italian horror film co-written and produced by Dario Argento and directed by Michele Soavi.
 The film stars Kelly Curtis and Herbert Lom.
Dandy Livingstone (born Robert Livingstone Thompson, 14 December 1943, Kingston, Jamaica) is a British-Jamaican reggae musician and producer, best known for his 1972 hit, "Suzanne Beware of the Devil", and for his song, "Rudy, A Message to You", which was later a hit for The Specials.
 "Suzanne Beware of the Devil", reached number 14 on the UK Singles Chart.
Loren Hal Bouchard (born October 10, 1969) is an American voice actor, animator, writer, producer, television director and composer.
 He is best known for several animated TV shows and as a co-creator of "Home Movies" with Brendon Small.
 He is also the creator of "Bob's Burgers" and "Lucy, the Daughter of the Devil".
Kazuma Kaneko (金子 一馬 , Kaneko Kazuma ) (born September 20, 1964) is a Japanese video game artist and game designer for Atlus.
 While working for the same company, he has also done freelance work for Capcom and Konami, designing Dante and Vergil's Devil Trigger forms in "Devil May Cry 3", along with the Inhert and Lloyd designs in "".
 He is best known for his work in the "Megami Tensei" series of video games.
Nick Mooney (born 23 December 1953) is an Australian conservationist, biologist, writer, wildlife expert, and ecological educator best known for his work with the Tasmanian devil.
 In addition to efforts to learn about the diseases facing and threatening the Devil population, Mooney educates area farmers about the benefits they provide.
Einar Kárason (born November 24, 1955 in Reykjavík, Iceland) is an Icelandic writer.
 He has been a full-time writer since 1978.
 He started his career with poetry in literary magazines from 1978 to 1980.
 In 1981 he published his first novel.
 He is best known for his novel "Þar sem djöflaeyjan rís."
 which was translated into English as "Devil's Island."
 The book was also made into the film "Devil's Island".
 He has been on the board or acted as chairman for several Icelandic writing associations.
Norman Jesse Whitfield (May 12, 1940 – September 16, 2008) was an American songwriter and producer, best known for his work with Berry Gordy's Motown labels during the 1960s.
 He has been credited as one of the creators of the Motown Sound and as an instrumental figure in the development of the late-1960s subgenre of psychedelic soul.

Question: The producer of the film "The Devil's Daughter" is best known for his work in what subgenre of film?
Answer: "giallo"