Question: Who directed a 2016 musical filmed in Howth?

full_context: Document 1: Sing (2016 American film): Sing is a 2016 American 3D computer-animated musical comedy film produced by Illumination Entertainment. It was directed and written by Garth Jennings, co-directed by Christophe Lourdelet, and starring the voices of Matthew McConaughey, Reese Witherspoon, Seth MacFarlane, Scarlett Johansson, John C. Reilly, Taron Egerton, and Tori Kelly. The film is about a group of anthropomorphic animals that enter a singing competition, hosted by a koala hoping to save his theater.
Document 2: Brooklyn (film): Brooklyn is a 2015 British-Canadian-Irish romantic drama film directed by John Crowley and written by Nick Hornby, based on Colm Tóibín's 2009 novel of the same name. The film stars Saoirse Ronan, Emory Cohen, Domhnall Gleeson, Jim Broadbent, and Julie Walters. Set in 1951 and 1952, the film tells the story of a young Irish woman's immigration to Brooklyn, where she falls in love. When her past catches up with her she must choose between two countries and the lives that exist within them for her.
Document 3: Glen Hansard: Glen Hansard (born 21 April 1970) is an Irish songwriter, actor, vocalist and guitarist for Irish group The Frames, and one half of folk rock duo The Swell Season. He is also known for his acting, having appeared in the BAFTA-winning film "The Commitments", as well as starring in the film "Once", which earned him a number of major awards, including an Academy Award for Best Song.
Document 4: Begin Again (film): Begin Again is a 2013 American musical comedy-drama film written and directed by John Carney and starring Keira Knightley and Mark Ruffalo. Knightley plays a singer-songwriter who is discovered by a struggling record label executive (Ruffalo) and collaborates with him to produce an album recorded in public locations all over New York City.
Document 5: List of films shot in Coquitlam: A significant number of film and television productions are filmed in the city of Coquitlam, British Columbia. Popular filming locations include many productions at the Crease Clinic and West Lawn buildings of Riverview Hospital ("The A-Team", "Supernatural", "Watchmen"), Coquitlam Centre ("Juno", "The Sisterhood of the Traveling Pants"), Minnekhada Regional Park (both "New Moon" and "Eclipse" from the "Twilight" series), council chambers at City Hall (court scenes for "Da Vinci's Inquest"), Centennial School ("Aliens vs. Predator: Requiem"), Mundy Park ("Deck the Halls"), the Fraser River industrial area of South Coquitlam, and the Coast Mountains of North Coquitlam.
Document 6: Howth: Howth has been a filming location for movies such as "The Last of the High Kings", "Boy Eats Girl" and "Sing Street".
Document 7: The Holy Ground: The Holy Ground is a local place name in the town of Cobh, County Cork, on the southern coast of Ireland. The song "The Holy Ground" (see below) is named after this area. The name is ironic, the piece of ground known as the Holy Ground was the town's red-light district in the 19th century when the town, then known as Queenstown, was a major stopping point for ships crossing the Atlantic and had a large throughput of seafarers. There were plans to build a new yachting marina on the foreshore in front of the Holy Ground, but this is now uncertain.
Document 8: Once (film): Once is a 2007 Irish romantic musical film written and directed by John Carney. The film stars Glen Hansard and Markéta Irglová as two struggling musicians in Dublin, Ireland. Hansard and Irglová had previously performed music as the Swell Season, and composed and performed the film's original songs.
Document 9: Sing Street: Sing Street is a 2016 musical coming-of-age comedy-drama film co-written, co-produced and directed by John Carney. Starring Ferdia Walsh-Peelo, Lucy Boynton, Maria Doyle Kennedy, Aiden Gillen, Jack Reynor, and Kelly Thornton, the story revolves around a boy starting a band to impress a girl in 1980s Ireland. It is an international co-production from Ireland, the United States, and United Kingdom.
Document 10: The Finishing Line: The Finishing Line is a short film produced in 1977 by British Transport Films, warning about the dangers children face on railway lines. Although it is not strictly a public information film, it is often considered to be so by fans of the genre. It was broadcast in its entirety several times on television, but was so controversial that it was replaced less than two years later by the slightly less graphic "Robbie". It won at least two creative awards: Certificate of Appreciation (Top Category) and Oberhausen Mention at the Festival of Youth Paris. The film was also shown in several schools by invitation. The film was directed by John Krish, written by Krish and Michael Gilmour, and produced by James Ritchie. It was filmed in the vicinity of the then-closed Watton-at-Stone railway station, Hertfordshire. The bridge that the boy at the beginning / end of the film is sitting on is the southern side of the Station Rd railway bridge. The main filming area for the actors was located immediately southwest of the bridge sandwiched between Church Lane and the railway line. The "stone throwing" 'competition' was filmed immediately north of the railway bridge on the western side embankment where the AWS signal ramp is. The "Great Tunnel Walk" scene was filmed about 3.5 Miles (5.63 km) south of the current Watton-at-Stone railway station. The 'start' was at the northern portal and 'finish' was at the southern one.
Document 11: Kings (2007 film): Kings is a 2007 Irish film written & directed by Tom Collins and based on Jimmy Murphy's play "The Kings of the Kilburn High Road". The film is bilingual, having both Irish and English dialogues. It premiered at the Taormina Film Festival (Italy) in June 2007, and was selected as Ireland's official entry for the 2008 Academy Awards in the best foreign-language film category. The film tells the story of a group of Irish friends who, after emigrating to England 30 years previously, meet for the funeral of a friend. In 2008, the Irish postal service, An Post, issued a series of stamps honouring the Irish film industry. Colm Meaney, as Joe Mullan, was featured on the 55 cent stamp.
Document 12: Elstree Studios: Elstree Studios is a generic term which can refer to several current and defunct British film studios and television studios based in or around the towns of Borehamwood and Elstree in Hertfordshire. Studios have been located here since film production began in the area during 1914.
Document 13: Iarla Ó Lionáird: Iarla Ó Lionáird (born 18 June 1964) is an Irish singer and record producer. He sings in the traditional sean-nós style. He was a member of the Afro Celt Sound System and is a member of the Irish-American supergroup The Gloaming. He has recorded several solo albums for Real World Records. He appeared in the 2015 film "Brooklyn" singing an a cappella version of the Irish folk song "Casadh an tSugain".
Document 14: Garth Jennings: Garth Jennings (born 1972) is a British film director, screenwriter, producer and actor. He is best known for directing and writing the 2016 film "Sing". Jennings co-founded the production company Hammer & Tongs.
Document 15: Holywood: Holywood ( ) is a town in the metropolitan area of Belfast in County Down, Northern Ireland. It is a civil parish and townland of 755 acres lying on the shore of Belfast Lough, between Belfast and Bangor. Holywood Exchange and Belfast City Airport are nearby. The town hosts an annual jazz and blues festival.
ground_truth: John Carney