Question: Which animated film starring Julianna Margulies was released by Walt Disney Feature Animation in the year 2000?
Context: This is a list of animated short films produced by Walt Disney and Walt Disney Animation Studios from 1921 to the present.  This includes films produced at the Laugh-O-Gram Studio which Disney founded in 1921 as well as the animation studio now owned by The Walt Disney Company, previously called the Disney Brothers Cartoon Studio (1923), The Walt Disney Studio (1926), Walt Disney Productions (1929), and Walt Disney Feature Animation (1986). Peter Schneider is an American film and theatrical producer, notable as the first president of Walt Disney Feature Animation for The Walt Disney Company from 1985 to 1999, and was responsible for helping to turn the feature animation department around and creating some of the most critically acclaimed and highest grossing animated features that Disney released.  These films included "Who Framed Roger Rabbit" (1988), "The Little Mermaid" (1989), "Beauty and the Beast" (1991, the first animated feature to be nominated for an Academy Award for Best Picture), "Aladdin" (1992), and "The Lion King" (1994, the highest domestic grossing animated film of all time until 2003). Hercules is a 1997 American animated musical fantasy comedy film produced by Walt Disney Feature Animation for Walt Disney Pictures.  The 35th Disney animated feature film, the film was directed by Ron Clements and John Musker.  The film is loosely based on the legendary hero Heracles (known in the film by his Roman name, Hercules), the son of Zeus, in Greek mythology.  The film also featured the first positive portrayal of African American women in a Disney animated film. Lilo & Stitch is a 2002 American animated science fiction comedy-drama film produced by Walt Disney Feature Animation and released by Walt Disney Pictures.  The 42nd Disney animated feature film, "Lilo & Stitch" was written and directed by Dean DeBlois and Chris Sanders, the latter also starring as Stitch, and features the voices of Daveigh Chase, Tia Carrere, David Ogden Stiers, Kevin McDonald, Ving Rhames, Jason Scott Lee, and Kevin Michael Richardson.  It was the second of three Disney animated features produced primarily at the Florida animation studio located at Disney's Hollywood Studios (then known as Disney-MGM Studios during production) in Walt Disney World near Orlando, Florida. Mickey's House of Villains (also known as House of Mouse: The Villains) is a 2002 direct-to-video animated film produced by The Walt Disney Company (Walt Disney Television Animation and Toon City Animation, with animation coordination by Walt Disney Feature Animation Florida.  It is based on the Disney Channel animated television series "Disney's House of Mouse" and a sequel to the direct-to-video animated film "", starring Mickey Mouse, Donald Duck, Minnie Mouse, Goofy, Daisy Duck and Disney Villains that have appeared in past Disney productions.  It was released on both VHS and DVD by Walt Disney Home Video on September 3, 2002.  It was followed by a 2004 direct-to-video animated film, "", produced by DisneyToon Studios, on August 17, 2004. Fantasia 2000 is a 1999 American animated film by Walt Disney Feature Animation and Walt Disney Pictures, and released by Buena Vista Pictures.  Produced by Roy E. Disney and Donald W. Ernst, it is the 38th Disney animated feature film and the sequel to "Fantasia" (1940).  Like its predecessor, "Fantasia 2000" consists of animated segments set to pieces of classical music.  Celebrities including Steve Martin, Itzhak Perlman, Quincy Jones, Bette Midler, James Earl Jones, Penn & Teller, and Angela Lansbury introduce each segment in live action scenes directed by Don Hahn. Dinosaur is a 2000 American CGI animated adventure film produced by Walt Disney Feature Animation and The Secret Lab and released by Walt Disney Pictures.  It is the 39th Disney animated feature film and Disney's The Secret Lab computer animated feature, though it is not officially labeled as one of the animated classics in the United Kingdom, where "The Wild" (2006) is included in the canon instead. Off His Rockers is an animated short film produced by Walt Disney Feature Animation and released in 1992.  It was released theatrically accompanying the film "Honey, I Blew Up the Kid".  The film started as a side project of director Barry Cook, who, at the time, was working at Walt Disney Feature Animation Florida.  Starting with a core of six people, the project ended up involving most of the Florida studio's staff of 73 (and some in California), all of whom "donated" their time to the project beyond their official duties. The Lion King is a 1994 American animated epic musical film produced by Walt Disney Feature Animation and released by Walt Disney Pictures.  It is the 32nd Disney animated feature film, and the fifth animated film produced during a period known as the Disney Renaissance.  "The Lion King" was directed by Roger Allers and Rob Minkoff, produced by Don Hahn, and has a screenplay credited to Irene Mecchi, Jonathan Roberts, and Linda Woolverton.  Its original songs were written by composer Elton John and lyricist Tim Rice, and original scores were written by Hans Zimmer.  The film features an ensemble voice cast that includes Matthew Broderick, James Earl Jones, Jeremy Irons, Jonathan Taylor Thomas, Moira Kelly, Nathan Lane, Ernie Sabella, Rowan Atkinson, Robert Guillaume, Madge Sinclair, Whoopi Goldberg, Cheech Marin, and Jim Cummings.  The story takes place in a kingdom of lions in Africa and was influenced by William Shakespeare's "Hamlet". Julianna Margulies ( ; ('Mar-ga-lease') born June 8, 1966) is an American actress and producer.  After several small television roles, Margulies achieved wide recognition for her role as Carol Hathaway on NBC's long-running medical drama "ER", for which she won an Emmy Award.  She also voiced Neera in "Dinosaur" (2000) and appeared in the miniseries "The Mists of Avalon" (2001).  In 2009, she took on the lead role of Alicia Florrick in the American legal drama "The Good Wife" on CBS.  Her performance on that show has garnered acclaim: she won the Primetime Emmy Award for Outstanding Lead Actress in a Drama Series twice, a Golden Globe, and a Television Critics Association Award.
Answer: Dinosaur