Question: What district is the Warner Bros. Studios located in?

Context paragraphs:
Warner Bros. Records: Warner Bros.  Records Inc. is an American major record label established in 1958 as the foundation label of the present-day Warner Music Group (WMG), and now operates as a wholly owned subsidiary of that corporation.  Warner Bros.  Records was established on March 19, 1958, as the recorded-music division of the American film studio Warner Bros..  For most of its early existence it was one of a group of labels owned and operated by larger parent corporations.  The sequence of companies that controlled Warner Bros. and its allied labels evolved through a convoluted series of corporate mergers and acquisitions from the early 1960s to the early 2000s.  Over this period, Warner Bros.  Records grew from a struggling minor player in the music industry to become one of the top recording labels in the world.

Warner Bros.: Warner Bros.  Entertainment Inc. (previously incorporated as Warner Brothers Pictures, Inc. and colloquially known as Warner Bros. and Warner Bros.  Pictures) is an American entertainment company that is a division of Time Warner and is headquartered in Burbank, California.  It is one of the "Big Six" major American film studios.

Warner Bros. International Television: Warner Bros.  International Television (WBITV) also known as Warner Bros.  Worldwide Television, is the global television arm of Warner Bros.  Television and a subsidiary of Warner Bros.  Entertainment formed in 1996.  It is a part of one of the largest media firms in the world, Time Warner.

Warner Bros. Studio Store: The Warner Bros.  Studio Store was a chain of retail stores selling Looney Tunes and other merchandise based on Warner Bros. films, similar in style to The Disney Store.  They first opened in 1991.  In 1996, Warner Bros. owner Time Warner merged with Turner Broadcasting, which owned Hanna-Barbera and the pre-1986 MGM library, and merchandise based on Turner properties were added to the product lines.  In 2001, all Warner Bros.  Studio Stores went out of business.  In 2006, Warner Bros.  Consumer Products partnered with PMW Retail and reopened the stores in China.

Duma (2005 film): Duma is a 2005 American family drama adventure film about a young South African boy's friendship with an orphaned cheetah from a story by Carol Flint and Karen Janszen, set in the country of South Africa and based on "How It Was with Dooms" by Carol Cawthra Hopcraft and Xan Hopcraft.  It was distributed by Warner Bros.  Pictures, Gaylord Films and C.O.R.E., directed by Carroll Ballard (director of "The Black Stallion" and "Fly Away Home"), produced by Gaylord Films, Warner Bros., John Wells Productions, Pandora Pictures, Stacy Cohen, E.K. Gaylord II, Kristin Harms, Hunt Lowry and John Wells, written by Karen Janszen and Mark St. Germain, edited by T.M. Christopher, cinematographed by Werner Maritz with music by George Acogny and John Debney and starring Alexander Michaletos, Eamonn Walker, Campbell Scott and Hope Davis.  The film was theatrically released on April 22, 2005 by Warner Bros.  Pictures, Gaylord Films and C.O.R.E..  The film went on receiving very positive reviews from critics and it earned $994,790 on a $12 million budget.  The film won the Family Feature Film at the Genesis Awards in 2006.  The film was rated PG for mild adventure peril.  "Duma" was released on DVD on May 16, 2006 by Warner Bros.  Entertainment.

Warner Bros. Museum: Warner Bros.  Museum, also known as the Warner Bros.  Studio Tour Archive, is the only studio museum in the movie industry in Burbank, California and is dedicated to Warner Bros. Opened in 1996, the 7,000 sq. foot museum brings together costumes, props, animation cells and letters collected from the history of Warner Bros. film-making and television programs.

Warner Bros. Studios, Leavesden: Warner Bros.  Studios, Leavesden is an 80-hectare studio complex in Leavesden in Hertfordshire, in southeast England.  Formerly known as Leavesden Film Studios and still colloquially known Leavesden Studios or simply Leavesden, it is a film and media complex owned by Warner Bros. The studios and backlot were all retrofitted as the site's original purpose was as an aircraft factory and airfield called Leavesden Aerodrome, a centre of British aircraft production during World War II.  It is situated in Abbots Langley, near Watford, in southwest Hertfordshire.

The Geffen Film Company: The Geffen Film Company (also known as The Geffen Company, The Geffen Film Company, Inc., and later Geffen Pictures) was a film distributor and production company founded by David Geffen, the founder of Geffen Records, and future co-founder of DreamWorks.  Geffen founded the company in 1980, having recruited Eric Eisner as president, and distributed its films through Warner Bros. Geffen operated it as a division of Warner Bros., and as a result, following The Geffen Film Company's shutdown in 1998, Warner Bros. now owns the company's library.  However, the only Geffen Film Company title Warner Bros. does not own is the 1996 Mike Judge comedy "Beavis and Butt-Head Do America", itself owned by Paramount Pictures.

Los Angeles Dance Theater: The Los Angeles Dance Theater is a dance-oriented production company founded in 2003 by George Balanchine protege John Clifford.  The company was requested by Warner Bros.  Theatre Ventures, Inc., the live theatre division of Warner Bros.  Studios.  The company was founded for the purpose of creating a live-stage dance version of the film "Casablanca". " "Casablanca, The Dance"" premiered in Beijing, China on the 5th of April, 2005 at the 10,000 seat "Great Hall of the People" to sold-out audiences and standing ovations.  A projected world tour was cancelled when Warner Bros. ceased live theatre operations after the failure of their first Broadway musical, "Lestat".  Later, Warner Bros. restarted producing musicals, fueling rumors about the revival of the "Casablanca, The Dance," world tour.

Abbots Langley: Abbots Langley is a large village and civil parish in the English county of Hertfordshire.  It is an old settlement and is mentioned (under the name of Langelai) in the Domesday Book.  Economically the village is closely linked to Watford and was formerly part of the Watford Rural District.  Since 1974 it has been included in the Three Rivers district.

Supporting paragraphs: Warner Bros. Studios, Leavesden Abbots Langley
Answer: the Three Rivers district.