Question: What year was the musical fantasy "The Wizard of Oz", produced by Metro-Goldwyn-Mayer and featured on digital television channel Turner Classic Movies, released?

Context paragraphs:
Robert Osborne: Robert Jolin Osborne ( ; May 3, 1932 – March 6, 2017) was an American actor, film historian, television presenter, and author, best known for more than twenty years as the primary host of the cable channel Turner Classic Movies (TCM).  Prior to TCM, Osborne had been a host on The Movie Channel, and, earlier, a columnist for "The Hollywood Reporter".  Osborne also wrote the official history of the Academy Awards, originally published in 1988, and most recently revised in 2013.

Live from the TCM Classic Film Festival: Live from the TCM Classic Film Festival is a television documentary series broadcast on Turner Classic Movies in the United States.  Each episode features an in-depth interview with a famous actor concerning his life and career, taped in front of a live audience during the TCM Classic Film Festival and broadcast the following year.

Film Chest: Film Chest, is a privately held media company that specializes in the archiving, restoring, licensing and distribution of films.  It is headquartered in Bridgeport, Connecticut.  Film Chest distributes consumer DVDs, and sells digital content via online outlets including Apple's iTunes Store, Amazon.com, and Hulu.  It also licenses its movies to TV networks, including American Movie Classics and Turner Classic Movies, and for use as stock footage.  According to the company’s website, it services "high-quality content for use in broadcast television, film projects, video streaming, distribution, public television, cable or other professional needs."

TCM Nordic: Turner Classic Movies (TCM) was a television channel broadcasting "classic" films from the 1940s to the 1990s (mostly from the Warner Bros. and pre-May 1986 MGM film libraries) to Denmark, Finland, Flanders, Iceland, Netherlands, Norway and Sweden.  The channel used English audio with optional subtitles in Danish, Dutch, Finnish, Norwegian and Swedish.  The channel was commercial-free and films were not interrupted.

Turner Classic Movies (UK and Ireland): Turner Classic Movies (TCM) is a subscription digital television channel featuring classic movies, mostly from the Turner Entertainment and Warner Bros. film libraries, which include many MGM, United Artists, RKO and Warner Bros. titles.

Turner Classic Movies (Asia): Turner Classic Movies is a digital television channel featuring commercial-free classic movies, mostly from the Turner Entertainment and Warner Bros. film libraries, which include many MGM, United Artists, RKO and Warner Bros. titles, mainly classic films (e.g. "The Wizard of Oz" and "Citizen Kane").  It is the Asian iteration of the US Turner Classic Movies and airs in Indian Subcontinent, South East Asia and Middle East.

The Wizard of Oz (1939 film): The Wizard of Oz is a 1939 American musical fantasy film produced by Metro-Goldwyn-Mayer.  Widely considered to be one of the greatest films in American history, it is the best-known and most commercially successful adaptation of L. Frank Baum's 1900 children's book, "The Wonderful Wizard of Oz."  It stars Judy Garland as Dorothy Gale, alongside Ray Bolger, Jack Haley, Bert Lahr, Frank Morgan, Billie Burke and Margaret Hamilton, with Charley Grapewin, Pat Walshe and Clara Blandick, Terry (billed as Toto), and the Singer Midgets as the Munchkins.

Turner Classic Movies (Middle East and Africa): Turner Classic Movies (TCM) is a digital television channel featuring classic movies, mostly from the Turner Entertainment and Warner Bros. film libraries, which include many MGM, United Artists, RKO and Warner Bros. titles.  This version of the channel is available in Africa and the Arab world.  In the Arab world, TCM has a unique schedule, it broadcasts in 4:3, and Arabic subtitles are optional.

Turner Broadcasting System: Turner Broadcasting System, Inc. (also known simply as Turner) is an American media conglomerate that is a division of Time Warner and manages the collection of cable television networks and properties initiated or acquired by Ted Turner.  The company was founded in 1970, and merged with Time Warner on October 10, 1996.  It now operates as a semi-autonomous unit of Time Warner.  The company's assets include CNN, HLN, TBS, TNT, Turner Classic Movies, Cartoon Network, Adult Swim, Boomerang and TruTV.  The company's current chairman and CEO is John K. Martin.  The headquarters of Turner's properties are located in both the CNN Center in Downtown Atlanta and the Turner Broadcasting campus off Techwood Drive in Midtown Atlanta, which also houses Turner Studios.  Across Interstate 75/85 from the Techwood campus is the original home of Turner's WTBS superstation (now separated into its TBS cable network and Peachtree TV), which today houses the headquarters of Adult Swim and Williams Street Productions.

FX Movie Channel: FX Movie Channel (FXM) is an American digital cable and satellite television channel that is owned by the Fox Entertainment Group, subsidiary of 21st Century Fox.  The channel's programming consists largely of movies, primarily those from the 20th Century Fox, Twentieth Century Pictures, and Fox Film Corporation library.  Its primary competitors are Time Warner's Turner Classic Movies, Metro-Goldwyn-Mayer's MGM HD and Sony Pictures Entertainment's Sony Movie Channel, each of which likewise features films from its respective owner's inventory.  Since 2012, FXM has separated its film content into two distinct blocks, with its main programming focusing more on recent films and its early-morning and daytime schedule (branded as "FXM Retro") focusing on classic films.

Supporting paragraphs: Turner Classic Movies (Asia) The Wizard of Oz (1939 film)
Answer: 1939