Question: The two major classic films Westward Ho the Wagons! and The One and Only, Genuine, Original Family Band were productions of what major entertainment titan?

full_context: Document 1: Music of Iowa: The music of Iowa includes such notable musicians as Rock and Roll Hall of Famers The Everly Brothers (who had 3 #1 Top 100 hits, including "All I Have to Do Is Dream" in 1958), Bix Beiderbecke, Art Farmer, Peggy Gilbert, Patty Waters, Mortimer Wilson, Thurlow Lieurance, Charlie Haden, Arthur Russell, Greg Brown, William Elliott Whitmore, Clarence Whitehill, Meredith Willson, composer of "The Music Man", and Alice Ettinger who was renowned enough to perform in Europe in the 1890s. Famed swing era musician and band leader Glenn Miller was born in Clarinda. Bands from Iowa include For Today, Euforquestra, The Envy Corps, Hawks, Slipknot (who had 2 #1 Billboard 200 albums like "All Hope is Gone" in 2008), Radio Moscow, Modern Life Is War, and Unknown Component. The city of Walnut is home to the National Traditional Country Music Association (NTCMA), which produces programs for local radio and television in Iowa. NTCMA also operates the Walnut Country Opera House, which is a theatre and home to several halls of fame and museums. The town of Clear Lake is known as the place the Big Bopper, Buddy Holly and Ritchie Valens took off from on the day they died; their last performance was at the Surf Ballroom. The Escorts (Iowa band) (Do's & Don'ts) are one of the first bands to be inducted into the Iowa Rock N Roll Music Association's Hall of Fame.
Document 2: Family of the Year: Family of the Year is an American indie rock band based in Los Angeles, California consisting of members Joseph Keefe (vocals/guitar), Sebastian Keefe (drums/vocals), James Buckey (guitar/vocals), and Christina Schroeter (keyboard/vocals). Their music uses melodic male/female vocal harmonies and folk tale-style lyrics. Their 2012 song "Hero" was featured in Richard Linklater's 2014 film Boyhood and became a top 10 hit in Austria, Belgium, Germany, and Switzerland.
Document 3: Westward Ho the Wagons!: Westward Ho, The Wagons! is a 1956 live-action Disney western film, aimed at family audiences. Based on Mary Jane Carr's novel "Children of the Covered Wagon", the film was produced by Bill Walsh, directed by William Beaudine, and released to theatres on December 20, 1956 by Buena Vista Distribution Company.
Document 4: Westward Ho (1935 film): Westward Ho is a 1935 American Western film released by Republic Pictures, produced by Paul Malvern, directed by Robert N. Bradbury and starring John Wayne in his first film for Republic. The trio had previously filmed a series of "Lone Star Westerns" for Monogram Pictures until Monogram merged into Republic pictures.
Document 5: Sherman Brothers: The Sherman Brothers were an American songwriting duo that specialized in musical films, made up of Robert B. Sherman (December 19, 1925 – March 6, 2012) and Richard M. Sherman (born June 12, 1928).
Document 6: The Sound of Music (film): The Sound of Music is a 1965 American musical drama film produced and directed by Robert Wise, and starring Julie Andrews and Christopher Plummer, with Richard Haydn and Eleanor Parker. The film is an adaptation of the 1959 Broadway musical of the same name, composed by Richard Rodgers with lyrics by Oscar Hammerstein II. The film's screenplay was written by Ernest Lehman, adapted from the stage musical's book by Lindsay and Crouse. Based on the memoir "The Story of the Trapp Family Singers" by Maria von Trapp, the film is about a young Austrian woman studying to become a nun in Salzburg in 1938 who is sent to the villa of a retired naval officer and widower to be governess to his seven children. After bringing and teaching love and music into the lives of the family through kindness and patience, she marries the officer and together with the children they find a way to survive the loss of their homeland through courage and faith.
Document 7: Wagon Master: Wagon Master is a 1950 Western film about a Mormon pioneer wagon train to the San Juan River in Utah. The film was conceived, produced, and directed by John Ford, who is often listed among the greatest film directors. The film stars Ben Johnson, Harry Carey Jr., Joanne Dru, and Ward Bond. "Wagon Master" inspired the US television series "Wagon Train" (1957–1965), which starred Ward Bond until his death in 1960. The film was a personal favorite of Ford himself, who told Peter Bogdanovich in 1967 that "Along with "The Fugitive" and "The Sun Shines Bright", "Wagon Master" came closest to being what I wanted to achieve." While the critical and audience response to "Wagon Master" was lukewarm on its release, over the years several critics have come to view it as one of Ford's masterpieces.
Document 8: The Sound of Music: The Sound of Music is a musical with music by Richard Rodgers, lyrics by Oscar Hammerstein II and a book by Howard Lindsay and Russel Crouse. It is based on the memoir of Maria von Trapp, "The Story of the Trapp Family Singers". Set in Austria on the eve of the Anschluss in 1938, the musical tells the story of Maria, who takes a job as governess to a large family while she decides whether to become a nun. She falls in love with the children, and eventually their widowed father, Captain von Trapp. He is ordered to accept a commission in the German navy, but he opposes the Nazis. He and Maria decide on a plan to flee Austria with the children. Many songs from the musical have become standards, such as "Edelweiss", "My Favorite Things", "Climb Ev'ry Mountain", "Do-Re-Mi", and the title song "The Sound of Music".
Document 9: The Last Wagon (1956 film): The Last Wagon is a 1956 western film starring Richard Widmark. It was co-written and directed by Delmer Daves and tells a story set during the American Indian Wars: the survivors of an Indian massacre must rely on a man wanted for several murders to lead them out of danger.
Document 10: The One and Only, Genuine, Original Family Band: The One and Only, Genuine, Original Family Band is a 1968 American musical film from Walt Disney Productions based on a biography by Laura Bower Van Nuys, directed by Michael O'Herlihy, with original music and lyrics by the Sherman Brothers. Set against the backdrop of the 1888 presidential election, the film portrays the musically talented Bower family, American pioneers who settle in the Dakota Territory.
Document 11: Richard M. Sherman: Richard Morton Sherman (born June 12, 1928) is an American songwriter who specialized in musical films with his brother Robert Bernard Sherman. According to the official Walt Disney Company website and independent fact checkers, "the Sherman Brothers were responsible for more motion picture musical song scores than any other songwriting team in film history." Some of the Sherman Brothers' best known songs were incorporated into live action and animation musical films including: "Mary Poppins", "The Jungle Book", "The Many Adventures of Winnie the Pooh", "Chitty Chitty Bang Bang", "Snoopy Come Home", "Bedknobs and Broomsticks", "The Slipper and the Rose", and "Charlotte's Web". Their most well known work, however, remains the theme park song "It's a Small World (After All)". According to Time.com, this song is the most performed song of all time.
Document 12: Westward Ho! (1940 film): Westward Ho! is a 1940 British public information film about the evacuation of children during the Second World War, directed by Thorold Dickinson. At the time, evacuation was a controversial policy, and the film was produced with the aim of building support for it. "Westward Ho!" was the first of a series of five-minute propaganda films distributed weekly to cinemas between 1940 and 1942.
Document 13: The Boys: The Sherman Brothers' Story: The Boys: The Sherman Brothers' Story is a 2009 American documentary film about the Sherman Brothers (Richard M. and Robert B.) The film is directed and produced by their sons, Gregory V. Sherman and Jeff Sherman, and released through Walt Disney Pictures. Ben Stiller acted as executive producer for the film.
Document 14: Wagons East!: Wagons East! (stylised onscreen as Wagons East) is a 1994 American Western adventure comedy film directed by Peter Markle. The film stars John Candy and Richard Lewis. The film was released in the United States on August 26, 1994.
Document 15: Mary Jane Carr: Mary Jane Carr (April 23, 1895 – January 4, 1988) was an author born in Portland, Oregon. Carr wrote her first poem at the age of eight. While at high school, she relied on her writing to pay her way through school.She had a contract with Walt Disney that would be seen on scree. Other than poems and stories, she also published plays for children. She made a career in journalism spending several years editing the newspapers for Catholic Sentinel. Her first book "Children of the Covered Wagon" was published in 1934. "Young Mac of Fort Vancouver" and "Peggy and Paul and Laddy" also left contributed to her fame.
ground_truth: Walt Disney