Question: What 1993 Disney movie starring Elijah Wood was based on a Mark Twain novel?

Context paragraphs:
The Adventures of Huck Finn (1993 film): The Adventures of Huck Finn is a 1993 American adventure film written and directed by Stephen Sommers, distributed by Walt Disney Studios Motion Pictures and Buena Vista Pictures, and starring Elijah Wood, Courtney B. Vance, Jason Robards and Robbie Coltrane; it is based on Mark Twain's novel "Adventures of Huckleberry Finn" and focuses on at least three-fourths of the book.  The film follows a boy named Huckleberry Finn and an escaped slave named Jim, who travel the Mississippi River together and overcome various obstacles along the way.

A Kid in King Arthur's Court: A Kid in King Arthur's Court is a 1995 Disney family film directed by Michael Gottlieb.  It is based on the famous Mark Twain novel "A Connecticut Yankee in King Arthur's Court" (previously filmed by Disney as "Unidentified Flying Oddball" in 1978 in which Ron Moody also played Merlin), transplanted into the twentieth century.  Trimark later released a sequel, "A Kid in Aladdin's Palace", in 1998, but without Disney's involvement.  Since Trimark's dissolution, the sequel is now distributed by Lions Gate Entertainment.

Tom Sawyer: Thomas "Tom" Sawyer is the title character of the Mark Twain novel "The Adventures of Tom Sawyer" (1876).  He appears in three other novels by Twain: "Adventures of Huckleberry Finn" (1884), "Tom Sawyer Abroad" (1894), and "Tom Sawyer, Detective" (1896).

Everything Is Illuminated (film): Everything Is Illuminated is a 2005 biographical comedy-drama film, written and directed by Liev Schreiber and starring Elijah Wood and Eugene Hütz.  It was adapted from the novel of the same name by Jonathan Safran Foer, and was the debut film of Liev Schreiber both as a director and as a screenwriter.

Tom and Huck: Tom and Huck is a 1995 American adventure comedy-drama film based on Mark Twain's novel "The Adventures of Tom Sawyer", and starring Jonathan Taylor Thomas, Brad Renfro, Mike McShane, and Amy Wright.  The film was directed by Peter Hewitt and produced/co-written by Stephen Sommers (who also worked on another Disney adaptation of Twain's work, 1993's "The Adventures of Huck Finn").  The movie was released in the U.S. and Canada on December 22, 1995.

Mark Twain Cave: Mark Twain Cave — originally McDowell's Cave — is a show cave located near Hannibal, Missouri, USA.  It is the oldest operating show cave in the state, giving tours continuously since 1886.  Along with nearby Cameron Cave, it became a registered National Natural Landmark in 1972, with a citation reading "Exceptionally good examples of the maze type of cavern development".  Mark Twain Cave — as "McDougal's Cave" — plays an important role in the novel "The Adventures of Tom Sawyer" (1876) by Mark Twain and was later renamed in honor of the author, a Hannibal native.

The War (1994 film): The War is a 1994 drama film directed by Jon Avnet and starring Elijah Wood, Kevin Costner, and Mare Winningham.  It is a coming of age tale set in Mississippi in the 1970s.  The film gained Wood a young actor's award.

Grand Piano (film): Grand Piano is a 2013 English-language Spanish thriller film directed by Eugenio Mira and starring Elijah Wood and John Cusack.  The film is about a once promising pianist returning for a comeback performance, only to be the target of a sniper who will kill him if he plays one wrong note.  The film premiered at Fantastic Fest on 20 September 2013 and was given a VOD release on 30 January 2014.  It was given a limited release in U.S. theatres on 7 March.

Everything Is Illuminated: Everything Is Illuminated is the first novel by the American writer Jonathan Safran Foer, published in 2002.  It was adapted into a film of the same name starring Elijah Wood and Eugene Hütz in 2005.

A Connecticut Yankee (musical): A Connecticut Yankee is a musical based on the novel "A Connecticut Yankee in King Arthur's Court" by American writer Mark Twain.  Like most adaptations of the Twain novel, it focuses on the lighter aspects of the story.  The music was written by Richard Rodgers, the lyrics by Lorenz Hart, and the book by Herbert Fields.  It was produced by Lew Fields and Lyle D. Andrews.  It enjoyed an original run on Broadway in 1927 of 421 performances and a number of revivals.

Supporting paragraphs: Tom and Huck The Adventures of Huck Finn (1993 film)
Answer: The Adventures of Huck Finn