Question: Morris Sullivan was the founder of the studio that created what 1986 animated musical adventure film?
Context: The Jungle Book is a 1967 American animated musical adventure film produced by Walt Disney Productions.  Inspired by Rudyard Kipling's book of the same name, it is the 19th Disney animated feature film.  Directed by Wolfgang Reitherman, it was the last film to be produced by Walt Disney, who died during its production.  The plot follows Mowgli, a feral child raised in the Indian jungle by wolves, as his friends Bagheera the panther and Baloo the bear try to convince him to leave the jungle before the evil tiger Shere Khan arrives. Timothy Walter Burton ( ; born August 25, 1958) is an American film director, producer, artist, writer, and animator.  He is known for his dark, gothic, eccentric, and quirky fantasy films such as "Beetlejuice" (1988), "Edward Scissorhands" (1990), the animated musical "The Nightmare Before Christmas" (1993), the biographical film "Ed Wood" (1994), the horror fantasy "Sleepy Hollow" (1999), and later efforts such as "Corpse Bride" (2005), "" (2007), "Dark Shadows" (2012), and "Frankenweenie" (2012).  He is also known for blockbusters such as the adventure comedy "Pee-wee's Big Adventure" (1985), the superhero films "Batman" (1989) and its first sequel "Batman Returns" (1992), the sci-fi film "Planet of the Apes" (2001), the fantasy drama "Big Fish" (2003), the musical adventure film "Charlie and the Chocolate Factory" (2005), and the fantasy film "Alice in Wonderland" (2010), which garnered a worldwide gross of over $1 billion. Sullivan Bluth Studios was an American and Irish animated film production company established in 1979 by animator Don Bluth.  Bluth and several colleagues, all of whom were former Disney animators, left Disney in 1979 to form Don Bluth Productions, later known as the Bluth Group.  This studio produced the short film "Banjo the Woodpile Cat", the feature film "The Secret of NIMH", a brief animation sequence in the musical "Xanadu", and the video games "Dragon's Lair" and "Space Ace".  The Bluth Group went bankrupt in 1984, and Bluth co-founded Sullivan Bluth Studios with American businessman Morris Sullivan in 1985. An American Tail is a 1986 American animated musical adventure family comedy-drama film directed by Don Bluth and produced by Sullivan Bluth Studios and Amblin Entertainment.  It tells the story of Fievel Mousekewitz and his family as they emigrate from Russian Empire-controlled territory of Ukraine to the United States for freedom.  However, he gets lost and must find a way to reunite with them.  It was released on November 21, 1986, to reviews that ranged from positive to mixed and was a box office hit, making it the highest-grossing non-Disney animated film at the time.  The success of it, "The Land Before Time", and Disney's "Who Framed Roger Rabbit", as well as Bluth's departure from their partnership, prompted Steven Spielberg to establish his own animation studio, Amblimation. Marco Polo Junior Versus the Red Dragon is a 1972 Australian animated musical adventure film directed by Eric Porter, written by Sheldon Moldoff, and was the country's first animated feature film.  The two sequence directors were Porter's animation director Cam Ford (who had previously worked on the Beatles' "Yellow Submarine") and Peter Gardiner. Raggedy Ann & Andy: A Musical Adventure is a 1977 American live action/animated musical fantasy film directed by Richard Williams, produced by the Bobbs-Merrill Company, a publishing arm of ITT, and released theatrically by 20th Century Fox.  A 1941 short film had previously featured the Raggedy Ann and Andy characters created by Johnny Gruelle. The Chipmunk Adventure is a 1987 American animated musical adventure fantasy comedy film featuring the characters from NBC's Saturday morning cartoon "Alvin and the Chipmunks". Our Huge Adventure (titled as: "Little Einsteins: Our Big Huge Adventure") is a direct-to-video animated musical adventure film that was released on August 23, 2005 by Walt Disney Home Entertainment.  The film was followed by the TV series "Little Einsteins". Morris Francis Sullivan (December 8, 1916 – August 24, 2008) was an American businessman who co-founded the Sullivan Bluth Studios with three former Disney animators.  Sullivan Bluth Studios employed approximately 400 people at the peak of its success.  Under Sullivan's direction, the former animation studio created such films as "The Land Before Time" and "An American Tail". Tarzan of the Apes (1999) is an animated musical adventure film produced by Diane Eskenazi and Darcy Wright and written by Mark Young (based on the novel by Edgar Rice Burroughs).  Richard Wagner's "Ride of the Valkyries" was used as the score during the opening scenes of the film.  It was released directly to home video on March 9, 1999.  The apes appear to be chimpanzees in this version, unlike the unrelated 1999 Disney film in which they are gorillas.
Answer: An American Tail