Question: What film about the 1972 'Bloody Sunday' shootings in Northern Ireland won the Golden Bear at the 52nd annual Berlin International Film Festival?
Context: Paul Greengrass (born 13 August 1955) is an English film director, film producer, screenwriter and former journalist.  He specialises in dramatisations of real-life events and is known for his signature use of hand-held cameras.  His early film "Bloody Sunday" won the Golden Bear at 52nd Berlin International Film Festival.  Other films he has directed include three in the "Bourne" action/thriller series: "The Bourne Supremacy" (2004), "The Bourne Ultimatum" (2007), and "Jason Bourne" (2016); "United 93" (2006), for which he won the BAFTA Award for Best Director, and received an Academy Award for Best Director nomination, "Green Zone" (2010) and "Captain Phillips" (2013).  In 2004 he co-wrote and produced the film "Omagh", which won British Academy Television Award. The 64th annual Berlin International Film Festival was held from 6 to 16 February 2014.  Wes Anderson's film "The Grand Budapest Hotel" opened the festival.  British film director Ken Loach was presented with the Honorary Golden Bear.  The Golden Bear was awarded to the Chinese film "Black Coal, Thin Ice" directed by Diao Yinan, which also served as closing film. The 42nd annual Berlin International Film Festival was held from February 13 to 24, 1992.  The festival opened with "The Inner Circle" by Andrei Konchalovsky.  The Golden Bear was awarded to American film "Grand Canyon" directed by Lawrence Kasdan.  The retrospective dedicated to Babelsberg Studios films was shown at the festival. The 52nd annual Berlin International Film Festival was held from February 6 to 17, 2002.  The festival opened with "Heaven" by Tom Tykwer.  New print of Charlie Chaplin's 1940 American satirical dramedy film "The Great Dictator" was the closing film of the festival.  The Golden Bear was awarded to British–Irish film "Bloody Sunday" directed by Paul Greengrass and Japanese Animated film "Spirited Away" directed by Hayao Miyazaki. Bloody Sunday is a 2002 film about the 1972 "Bloody Sunday" shootings in Derry, Northern Ireland.  Although produced by Granada Television as a TV film, it premiered at the Sundance Film Festival on 16 January, a few days before its screening on ITV on 20 January, and then in selected London cinemas from 25 January.  The production was written and directed by Paul Greengrass.  Though set in Derry, the film was actually shot in Ballymun in North Dublin.  However, some location scenes were shot in Derry, in Guildhall Square and in Creggan on the actual route of the march in 1972. The 22nd annual Berlin International Film Festival was held from 23 June to 4 July 1972.  The Golden Bear was awarded to the Italian film "I racconti di Canterbury" directed by Pier Paolo Pasolini. The 62nd annual Berlin International Film Festival was held from 9 to 19 February 2012.  British film director Mike Leigh was the President of the Jury.  The first five films to be screened in the competition were announced on 19 December 2011.  American actress Meryl Streep was presented with the Honorary Golden Bear on 14 February.  Benoît Jacquot's film "Les adieux à la reine" was announced as the opening film.  The Golden Bear for Best Film went to the Italian film "Caesar Must Die", directed by Paolo and Vittorio Taviani, which also served as closing night film. The 61st annual Berlin International Film Festival was held from 10 to 20 February 2011, with actress Isabella Rossellini as the President of the Jury.  The Coen Brothers film "True Grit" opened the festival.  300,000 tickets were sold in total during the event, to 20,000 attendees from 116 countries, including 3900 members of the press.  German actor Armin Mueller-Stahl received the Honorary Golden Bear for lifetime achievement.  The Golden Bear for Best Film went to the Iranian film "Nader and Simin, A Separation", directed by Asghar Farhadi, which also served as the closing film at the festival. Manuel Gutiérrez Aragón (Torrelavega, Cantabria 2 January 1940) is a Spanish screenwriter and film director.  His 1973 film "Habla, mudita" was entered into the 23rd Berlin International Film Festival.  In 1977, he won the Silver Bear for Best Director for "Camada negra" at the 27th Berlin International Film Festival.  His 1979 film "El corazón del bosque" was entered into the 29th Berlin International Film Festival.  Two years later, his film "Maravillas" was entered into the 31st Berlin International Film Festival.  His 1982 film "Demons in the Garden" was entered into the 13th Moscow International Film Festival where it won the FIPRESCI Prize.  In 1991 he was a member of the jury at the 17th Moscow International Film Festival. The 32nd annual Berlin International Film Festival was held from 12–23 February 1982.  The Golden Bear was awarded to the West German film "Veronika Voss" directed by Rainer Werner Fassbinder.
Answer: Bloody Sunday