Question: Which film was produced first, Gay Sex in the 70s or Listen to Britain?

full_context: Document 1: LGBT rights in New York: The U.S. state of New York has generally been seen as socially liberal in regard to lesbian, gay, bisexual, transgender (LGBT) rights. The advocacy movement for LGBT rights in the state has been dated as far back as 1969 during the Stonewall riots in New York City. Same-sex sexual activity between consenting adults has been legal since the "New York v. Onofre" case in 1980. Same-sex marriage has been legal statewide since 2011, with the state recognizing domestic partnerships between same-sex couples beforehand since 1998. Discrimination protections regarding sexual orientation have also been adopted statewide since 2003. While transgender people born in the state can alter their birth certificate before or after sex-reassignment surgery, the practice is not covered by the state statute, and discrimination protections regarding gender identity or expression were not fully recognized statewide until October 2015.
Document 2: The Gay Deceivers: The Gay Deceivers is a 1969 gay-themed comedy film with a twist ending. The film derives much of its humor through the use of stereotypes. According to gay film historian Vito Russo in his book "The Celluloid Closet", co-star Michael Greer, who played the flamboyantly gay Malcolm and who was himself gay, tried to work with the screenwriter and director to minimize the negativity of the characterization and present Malcolm in a positive light.
Document 3: Africa, Prelude to Victory: Africa, Prelude to Victory was a short dramatic propaganda film produced by the Office of War Information (OWI) in the 1942 Frank Capra's film "Prelude to War". It shows the african campaigns of World War II. It was nominated for an Academy Award for Best Documentary in 1943.
Document 4: Humphrey Jennings: Frank Humphrey Sinkler Jennings (19 August 1907 – 24 September 1950) was an English documentary filmmaker and one of the founders of the Mass Observation organisation. Jennings was described by film critic and director Lindsay Anderson in 1954 as: "the only real poet that British cinema has yet produced."
Document 5: Night Mail: Night Mail is a 1936 documentary film about a London, Midland and Scottish Railway (LMS) mail train from London to Scotland, produced by the GPO Film Unit. The film ends with a "verse commentary" by W. H. Auden, written for existing footage. Benjamin Britten scored the film. The film was directed by Harry Watt and Basil Wright, and narrated by John Grierson and Stuart Legg. The Brazilian filmmaker Alberto Cavalcanti was sound director. The locomotive featured in the film was Royal Scot 6115 "Scots Guardsman", built in 1927. The film has become a classic of its own kind, much imitated by adverts and modern film shorts. "Night Mail" is widely considered a masterpiece of the British Documentary Film Movement.
Document 6: Target for Tonight: Target for Tonight is a 1941 British documentary film billed as filmed and acted by the Royal Air Force, all while under fire. It was directed by Harry Watt. The film is about the crew of a Wellington bomber partaking in a mission over Germany. The film won an honorary Academy Award in 1942 as 'Best Documentary' by the National Board of Review.
Document 7: The Celluloid Closet: The Celluloid Closet is a 1995 American documentary film directed and written by Rob Epstein and Jeffrey Friedman. The film is based on Vito Russo's book of the same name first published in 1981 and on lecture and film clip presentations he gave in 1972–1982. Russo had researched the history of how motion pictures, especially Hollywood films, had portrayed gay, lesbian, bisexual and transgender characters.
Document 8: The Battle of the Somme (film): The Battle of the Somme (US title, "Kitchener's Great Army in the Battle of the Somme"), is a 1916 British documentary and propaganda war film, shot by two official cinematographers, Geoffrey Malins and John McDowell. The film depicts the British Army in the preliminaries and early days of the Battle of the Somme (1 July – 18 November 1916). The film had its première in London on 10 August 1916 and was released generally on 21 August. The film depicts trench warfare, marching infantry, artillery firing on German positions, British troops waiting to attack on 1 July, treatment of wounded British and German soldiers, British and German dead and captured German equipment and positions. A scene during which British troops crouch in a ditch then "go over the top" was staged for the camera behind the lines.
Document 9: The Joy of Gay Sex: The Joy of Gay Sex is a sex manual for men who have sex with men by Charles Silverstein and Edmund White. The book was first published in 1977.
Document 10: Before Stonewall: Before Stonewall: The Making of a Gay and Lesbian Community is a 1984 American documentary film about the LGBT community prior to the 1969 Stonewall riots. It was narrated by author Rita Mae Brown, directed by Greta Schiller, co-directed by Robert Rosenberg, and co-produced by John Scagliotti and Rosenberg, and Schiller. It premiered at the 1984 Toronto Festival of Festivals and was released in the United States on June 27, 1985. In 1999, producer Scagliotti directed a companion piece, "After Stonewall". To celebrate the 30th anniversary of the Teddy Awards, the film has been selected to be shown at the 66th Berlin International Film Festival in February 2016.
Document 11: Gay Man's Guide to Safer Sex: Gay Man's Guide To Safer Sex is the name of a safer sex instructional documentary produced by Mike Esser and Tony Carne of Pride Video in association with the Terrence Higgins Trust in 1992. The film was directed by David Lewis and featured a soundtrack by John Balance and Peter Christopherson of Coil. The medical information included in the film is presented by Mike Youle, a British doctor specialising in HIV treatment. In 1997 a sequel was released directed by Robert Falconer. "Gay Man's Guide To Safer Sex '97" featured a radical recut of some of the original scenes asking the BBFC to look again at what was permissible and becoming one of the very first programmes to discuss the breakthrough of Triple Combination Therapy and the ramifications and personal experiences of living with HIV. The medical information and discussion was again led by Mike Youle. The 1997 film was released on retail video in the UK and USA and later on DVD. It is still in distribution on DVD.
Document 12: Gay Sex in the 70s: Gay Sex in the 70s is a 2005 American documentary film about gay sexual culture in New York City in the 1970s. The film was directed by Joseph Lovett and encompasses the twelve years of sexual freedom bookended by the Stonewall riots of 1969 and the recognition of AIDS in 1981, and features interviews with Larry Kramer, Tom Bianchi, Barton Lidice Beneš, Rodger McFarlane, and many others.
Document 13: Desert Victory: Desert Victory is a 1943 film produced by the British Ministry of Information, documenting the Allies' North African campaign against Field Marshal Erwin Rommel and the Afrika Korps. This documentary traces the struggle between General Erwin Rommel and Field Marshal Bernard Montgomery, from the German's defeat at El Alamein to Tripoli. The film was produced by David MacDonald and directed by Roy Boulting who also directed Tunisian Victory and "Burma Victory". Like the famous "Why We Fight" series of films by Frank Capra, "Desert Victory" relies heavily on captured German newsreel footage. Many of the most famous sequences in the film have been excerpted and appear with frequency in History Channel and A&E productions. The film won a special Academy Award in 1943 and the 1951 film "" took sections of the film for its battle footage.
Document 14: Listen to Britain: Listen to Britain is a 1942 British propaganda short film by Humphrey Jennings and Stewart McAllister. The film was produced during World War II by the Crown Film Unit, an organisation within the British Government's Ministry of Information to support the Allied war effort. The film was nominated for the inaugural Academy Award for Documentary Feature in 1943, but lost against four other Allied propaganda films. It is noted for its nonlinear structure and its use of sound.
Document 15: The World at War (film): The World at War is a 1942 documentary film produced by the Office of War Information. One of the earliest long length films made by the government during the war, it attempted to explain the large picture of why the United States was at war, and the various causes and circumstances which brought the war into being. It can thus be seen as an anticipation, or trial run of the much better known 6-part "Why We Fight" propaganda film series directed by Frank Capra.
ground_truth: Listen to Britain