Question: The world premiere of the movie starring a co-founder of United Artists film studio was shown at a theatre in what city?

full_context: Document 1: Elgin Theatre (Ottawa): The Elgin Theatre was a historic movie theatre located at the corner of Lisgar and Elgin Street in Ottawa, Ontario, Canada. The 750 seat cinema opened in 1937, with the first film shown being "Stand-In." For several decades it was one of Ottawa's premier theatres, and in 1947 it was the location of the world premiere of Mary Pickford's "Sleep, My Love".
Document 2: Louise Brooks: Mary Louise Brooks (November 14, 1906 – August 8, 1985), who worked professionally as Louise Brooks, was an American film actress and dancer noted as an iconic symbol of the flapper, and for popularizing the bobbed haircut.
Document 3: The Oz Film Manufacturing Company: The Oz Film Manufacturing Company was a short-lived independent film studio from 1914 to 1915. It was founded by L. Frank Baum (president), Louis F. Gottschalk (vice president), Harry Marston Haldeman (secretary), and Clarence R. Rundel (treasurer) as an offshoot of Haldeman's social group, The Uplifters, that met at the Los Angeles Athletic Club. Its goal was to produce quality family-oriented entertainment in a time when children were primarily seeing violent Westerns. It was a critical but not a commercial success; even under a name change to Dramatic Feature Films, it was quickly forced to fold. The studio made only five features and five short films, of which four features (in part) and no shorts survive. Founded in 1914, It was absorbed by Metro Pictures, which evolved into Metro-Goldwyn-Mayer.
Document 4: Landis Theatre-Mori Brothers Building: Landis Theatre-Mori Brothers Building, is located in Vineland, Cumberland County, New Jersey, United States. The building was built in 1937 and its first movie was "Hats Off". The theater serviced the USO during World War II, and the auditorium was twinned in 1980. After 50 years of service to the Vineland community, it closed finally in 1987, victim of declining revenue against the Demarco Cinemas nearby. Its last movie was House 2. It was added to the National Register of Historic Places on November 22, 2000. Renovation of the theater was completed in early 2010, and it officially re-opened on May 22, with Bernadette Peters being the opening act.
Document 5: Mary Pickford: Gladys Louise Smith (April 8, 1892 – May 29, 1979), known professionally as Mary Pickford, was a prolific Canadian-American film actress and producer. She was a co-founder of both the Pickford-Fairbanks Studio (along with Douglas Fairbanks) and, later, the United Artists film studio (with Fairbanks, Charlie Chaplin and D.W. Griffith), and one of the original 36 founders of the Academy of Motion Picture Arts and Sciences who present the yearly "Oscar" award ceremony.
Document 6: Janet Gaynor: Janet Gaynor (born Laura Augusta Gainor; October 6, 1906 – September 14, 1984) was an American film, stage and television actress and painter.
Document 7: Greta Garbo: Greta Garbo (born Greta Lovisa Gustafsson; ] ; 18 September 1905 – 15 April 1990), was a Swedish-born American film actress during the 1920s and 1930s. Garbo was nominated three times for the Academy Award for Best Actress and received an Academy Honorary Award in 1954 for her "luminous and unforgettable screen performances." In 1999, the American Film Institute ranked Garbo fifth on their list of the greatest female stars of classic Hollywood cinema, after Katharine Hepburn, Bette Davis, Audrey Hepburn, and Ingrid Bergman.
Document 8: Ed Mirvish Theatre: The Ed Mirvish Theatre is a historic film and play theatre in Downtown Toronto, Ontario, Canada. It was initially known as the Pantages Theatre, then became the Imperial Theatre and later the Canon Theatre, before it was renamed in honour of Ed Mirvish, a well-known businessman and theatre impresario. The theatre was first opened in 1920 and is located near Yonge-Dundas Square.
Document 9: Star Theatre, Kolkata: The Star Theatre is a theatre in Kolkata, built in 1883. Initially situated in Beadon Street, the theatre later moved to Cornwallis Street - now called Bidhan Sarani. The Star, along with the Minerva Theatre, was one of the first institutions of commercial Bengali theatre. The Star, along with Minerva and The Classic Theatre, were also one of the places where the first motion pictures in Bengal, made by Hira Lala Sen, were screened. This is a heritage site of Calcutta (Kolkata) that was destroyed in a fire and thereafter restored by the local municipal corporation. The restored Star Theatre maintains the heritage facade; the interiors are contemporary. The property is maintained by a private company. At present, it is primarily a cinema hall; plays are staged on about two days per month. However, during winter (December and January) plays are staged here much more frequently, of the order of ten days per month. The auditorium has excellent acoustics. Star Theatre is close to the junction of Grey Street (Aurobindo Saranee) and Cornwallis Street (Bidhan Saranee); the area near this junction is called Hatibagan (Elephant Park). The theatre is a 10-minute walk from the Shobhabazar-Sutanuti station of the underground railway. Star Theatre has an underground car park with a nominal parking fee of Rs 10/- per hour (minimum three hours). Tramcar tracks, and services, on Grey Street and Cornwallis Street enhance the heritage ambience.
Document 10: Sherry Lansing: Sherry Lansing (born July 31, 1944) is an American former actress and film studio executive. She is a former CEO of Paramount Pictures, and when she was the president of production at 20th Century Fox, she was the first woman to head a Hollywood movie studio. In 1996, she became the first woman to be named Pioneer of the Year by the Foundation of the Motion Picture Pioneers, and she was the first female movie studio head to receive a star on the Hollywood Walk of Fame. In 2005, she became the first female movie studio head to place hand and foot prints at the Grauman's Chinese Theater. In 2001, she was named one of the 30 most powerful women in America by "Ladies' Home Journal", and "The Hollywood Reporter" named her fourth on its Power 100 list in 2003.
Document 11: Caprice (1913 film): Caprice is a 1913 silent film produced by Daniel Frohman and Adolph Zukor released by Famous Players Film Company and starring Mary Pickford. J. Searle Dawley directed. Though Zukor helped finance the film it was distributed on a 'State's Rights' arrangement primarily since no Paramount Pictures had yet to exist. The story of this film had been acted on the stage by a young Minnie Maddern Fiske in the 1880s, one of her earliest successes as an adult actress. The same story gives Pickford the chance to arise to the height of a fine actress instead of just merely a popular performer. This film is lost.
Document 12: Former Queen’s Theater, Singapore: The Former Queen’s Theater is located at the Geylang Road, opposite Lorong 41 road. The theater had been one of the main entertainment places in Geylang from 1930 to 1982. The building was named Wembley Cinema from 1930 to 1933, Ritz Cinema from 1933 to 1939, and Queen’s Theater from 1939 until it was closed in 1982. The front facade of the building is now conserved and becomes part of the GrandLink Square.
Document 13: Regent Street Cinema: The Regent Street Cinema is a historic repertory cinema located on Regent Street, London. Opened in 1848 and regarded as "the birthplace of British cinema", the cinema featured the first motion picture shown in the United Kingdom. It was closed from 1980 to 2015.
Document 14: Closed cinemas in Kingston upon Hull: In 1898 William Morton's Theatre Royal showed a 'Veriscope' film, probably the first time any film was shown in a Hull theatre. The Prince's Hall was the first purpose-built cinema in Kingston upon Hull, and was opened in George Street by Morton in 1910 (renamed the Curzon 1955). As Hull embraced the new age of public entertainment, attendances at traditional theatre declined. Luxurious cinemas, taking their inspiration from theatres and music halls, were built to accommodate audiences in almost every neighbourhood in the city. By 1914, there were 29 cinemas, theatres and halls showing films in the city. The London and Provincial Cinema Company owned the Hippodrome; the National Electric Picture Theatres owned the Theatre de Luxe, but Morton's was the largest and most influential cinema chain in Hull.
Document 15: Odeon West End: The Odeon West End, from 1930 to 1988 known as Leicester Square Theatre, was a cinema on the south side of Leicester Square, London. It contained two screens—screen 1 seats 500 and screen 2 seats 832. It was often used for smaller film premieres, and hosted the annual BFI London Film Festival. The building is opposite the much larger flagship Odeon Leicester Square.
ground_truth: Ottawa