Question: Which theatrical producer co-created both "Sunny" and "Oklahoma!"

full_context: Document 1: Sheldon Harnick: Sheldon Harnick (born April 30, 1924) is an American lyricist best known for his collaborations with composer Jerry Bock on musicals such as "Fiddler on the Roof".
Document 2: Sunny (musical): Sunny is a musical with music by Jerome Kern and a libretto by Oscar Hammerstein II and Otto Harbach. The plot involves Sunny, the star of a circus act, who falls for a rich playboy but comes in conflict with his snooty family. This show was the follow-up to the 1920 hit musical "Sally", both starring Marilyn Miller in the title roles, and it was Kern's first musical together with Hammerstein. "Sunny" also became a hit, with its original Broadway production in 1925 running for 517 performances. The London production starred Binnie Hale.
Document 3: Sunny Thompson: Sunny Thompson is an American singer, actress and recording artist best known for her portrayal of Marilyn Monroe in the critically acclaimed, award-winning one-woman show "“Marilyn Forever Blonde, The Marilyn Monroe Story In Her Own Words & Music.”" She has recorded several albums, one of which, ""Te Necesito,"" earned her a gold record in South America.
Document 4: Otto Harbach: Otto Abels Harbach, born Otto Abels Hauerbach (August 18, 1873 – January 24, 1963) was an American lyricist and librettist of about 50 musical comedies. He was Oscar Hammerstein II's mentor and believed that librettists should integrate songs into the plot. He is considered one of the first great lyricists, and helped raise the status of the lyricist in an age concerned more with music, costumes, and stars. Some of his more famous lyrics are for "Smoke Gets in Your Eyes", "Indian Love Call" and "Cuddle up a Little Closer, Lovey Mine".
Document 5: Oscar Hammerstein II: Oscar Greeley Clendenning Hammerstein II ( ; July 12, 1895 – August 23, 1960) was an American librettist, theatrical producer, and (usually uncredited) theatre director of musicals for almost forty years. Hammerstein won eight Tony Awards and two Academy Awards for Best Original Song. Many of his songs are standard repertoire for vocalist's and jazz musicians. He co-wrote 850 songs. Hammerstein was the lyricist and playwright in his partnerships; his collaborators wrote the music. Hammerstein collaborated with numerous composers, such as Jerome Kern, with whom he wrote "Show Boat", Vincent Youmans, Rudolf Friml, Richard A. Whiting and Sigmund Romberg; but he is best known for his collaborations with Richard Rodgers, as the duo Rodgers and Hammerstein which include "Oklahoma!", "Carousel", "South Pacific", "The King and I", and "The Sound of Music".
Document 6: Sunny (1941 film): Sunny is a 1941 film American film directed by Herbert Wilcox. It was adapted by Sig Herzig from the Jerome Kern-Oscar Hammerstein II musical play "Sunny". It stars Anna Neagle, Ray Bolger, John Carroll, Edward Everett Horton, Grace Hartman, Paul Hartman, Frieda Inescort, and Helen Westley.
Document 7: Sunny Side Up (film): Sunny Side Up is a 1929 American Pre-Code Fox Movietone musical film starring Janet Gaynor and Charles Farrell, with original songs, story, and dialogue by B. G. DeSylva, Lew Brown and Ray Henderson. The romantic comedy/musical premiered on October 3, 1929 at the Gaiety Theatre in New York City. The film was directed by David Butler, had (now-lost) Multicolor sequences, and a running time of 121 minutes.
Document 8: Stephen Sondheim: Stephen Joshua Sondheim ( ; born March 22, 1930) is an American composer and lyricist known for more than a half-century of contributions to musical theatre. Sondheim has received an Academy Award, eight Tony Awards (more than any other composer, including a Special Tony Award for Lifetime Achievement in the Theatre), eight Grammy Awards, a Pulitzer Prize, a Laurence Olivier Award, and a 2015 Presidential Medal of Freedom. He has been described by Frank Rich of "The New York Times" as "now the greatest and perhaps best-known artist in the American musical theater." His best-known works as composer and lyricist include "A Funny Thing Happened on the Way to the Forum", "Company", "Follies", "A Little Night Music", "Pacific Overtures", "", "Merrily We Roll Along", "Sunday in the Park with George", "Into the Woods", "Assassins", and "Passion". He also wrote the lyrics for "West Side Story" and "Gypsy".
Document 9: The Strawberry Blonde: The Strawberry Blonde is a 1941 Warner Bros. feature film directed by Raoul Walsh, starring James Cagney and Olivia de Havilland, and featuring Rita Hayworth, Alan Hale, Jack Carson and George Tobias. The picture was nominated for an Academy Award in 1941 for Best Scoring of a Musical Picture and features songs such as "The Band Played On", "Bill Bailey", "Meet Me in St. Louis, Louie," "Wait Till The Sun Shines Nellie," and "Love Me and the World Is Mine." The title is most often listed beginning with the word The, but the film's posters and promotional materials call it simply Strawberry Blonde. Director Walsh remade the film in 1948 as "One Sunday Afternoon". Also this was a remake of "One Sunday Afternoon" (1933) with Gary Cooper.
Document 10: Sally (musical): Sally is a musical comedy with music by Jerome Kern, lyrics by Clifford Grey and book by Guy Bolton (inspired by the 19th century show, "Sally in our Alley"), with additional lyrics by Buddy De Sylva, Anne Caldwell and P. G. Wodehouse. The plot hinges on a mistaken-identity: Sally, a waif, is a dishwasher at the Alley Inn. She poses as a famous foreign ballerina and rises to fame (and finds love) through joining the Ziegfeld Follies. There is a rags to riches story, a ballet as a centrepiece, and a wedding as a finale. "Look for the Silver Lining" continues to be one of Kern's most familiar songs. The song is lampooned by another song, "Look for a Sky of Blue," in Rick Besoyan's satirical 1959 musical "Little Mary Sunshine".
Document 11: Betty Comden: Betty Comden (May 3, 1917 November 23, 2006) was one-half of the musical-comedy duo Comden and Green, who provided lyrics, libretti, and screenplays to some of the most beloved and successful Hollywood musicals and Broadway shows of the mid-20th century. Her writing partnership with Adolph Green, called "the longest running creative partnership in theatre history", lasted for six decades, during which time they collaborated with other leading entertainment figures such as the famed "Freed Unit" at MGM, Jule Styne and Leonard Bernstein, and wrote the musical comedy film "Singin' in the Rain".
Document 12: Robert B. Sherman: Robert Bernard Sherman (December 19, 1925 – March 6, 2012) was an American songwriter who specialized in musical films with his brother Richard Morton 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", "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 13: Stephen Flaherty: Stephen Flaherty (born September 18, 1960) is an American composer of musical theatre. He works most often in collaboration with the lyricist/bookwriter Lynn Ahrens. They are best known for writing the Broadway musicals "Once on This Island", which was nominated for eight Tony Awards, "Seussical", which was nominated for the Grammy Award, and "Ragtime", which was nominated for twelve Tony Awards and won Best Original Score. Flaherty was also nominated for two Academy Awards and two Golden Globe Awards with Lynn Ahrens for his songs and song score for the animated film musical "Anastasia".
Document 14: Richard Rodgers: Richard Charles Rodgers (June 28, 1902 – December 30, 1979) was an American composer of music for more than 900 songs and for 43 Broadway musicals. He also composed music for films and television. He is best known for his songwriting partnerships with the lyricists Lorenz Hart and Oscar Hammerstein II. His compositions have had a significant impact on popular music up to the present day, and have an enduring broad appeal.
Document 15: Sunny (2011 film): Sunny () is a 2011 South Korean comedy-drama film. The film is about a middle-aged woman who tries to fulfill her friend's dying wish of reuniting their group of high school friends. The film alternates between two timelines: the present day where the women are middle-aged, and the 1980s when they were in high school. It is the second film by writer-director Kang Hyeong-cheol, who previously directed "Scandal Makers" (2008).
ground_truth: Oscar Hammerstein II