Question: On the first Friday in September, The Adelaide suburb of Wayville hosts the state's biggest event. What is the event?

full_context: Document 1: Division of Adelaide: The Division of Adelaide is an Australian electoral division in South Australia and is named for the city of Adelaide, South Australia's capital. The 76 km² seat is centred on the Adelaide city centre and spans from Grand Junction Road in the north to Cross Road in the south and from Portrush Road in the east to South Road in the west, taking in suburbs including Ashford, Clarence Park, Enfield, Goodwood, Kent Town, Keswick, Kilburn, Maylands, Northgate, Norwood, Parkside, Prospect, Rose Park, St Peters, Toorak Gardens, Unley and Walkerville.
Document 2: Royal Adelaide Show: The Royal Adelaide Show (colloquially known simply as "The Show") is an annual agricultural show run by the Royal Agricultural and Horticultural Society of South Australia. The Show always begins on the first Friday in September, and runs for 10 days (9 until 2013). It is held at the Adelaide Showground, located in Wayville, a suburb of Adelaide, South Australia and is attended by up to half a million people every year, making it the State's biggest event.
Document 3: Adelaide Christmas Pageant: The Adelaide Christmas Pageant is a parade held annually in the South Australian capital of Adelaide. Recognised as a heritage icon, the pageant is a state institution and is sponsored by four local credit unions. Since 1996 it has been known as the Credit Union Christmas Pageant. It is the second-largest parade of its kind in the world, following only Macy's Thanksgiving Day Parade, and the largest in the Southern Hemisphere and in the Commonwealth of Nations.
Document 4: Tullamore Show: The Tullamore Show is a one-day agricultural and livestock show held in August each year near the town of Tullamore, County Offaly, Ireland. The programme of "Tullamore Show" events incorporates many elements including cultural, commercial trade exhibitions and competitive interests, ranging from livestock equestrian, home industries, inventions, vintage, fashion, style and performing arts. Competitions include Irish livestock competing for the coveted Gold Medal and displays of the very best in Irish traditions and culture. Agriculture was originally the show's main focus, but this has broadened considerably over the years to adapt to Irelands changing culture, with entertainment, food, crafts, lifestyle including 500 trade stands food and refreshments. The Tullamore Show attracts a large attendance of 60000 local farmers.
Document 5: Showground Central railway station: Showground Central railway station was a temporary station in the inner southern Adelaide suburb of Wayville, located 4.4 kilometres from Adelaide station. The station was only used during the Royal Adelaide Show in early September each year.
Document 6: Park Holme, South Australia: Park Holme is a southern suburb of Adelaide in the City of Marion, South Australia, home to the Marion Swimming Centre. It is bordered in the east by Marion Road, in the west by Hendrie Street, in the south by Oaklands Road, and in the north by Taranna Ave, just south of Bray Street. It is adjacent to Ascot Park, Edwardstown, South Plympton, Mitchell Park, Clovelly Park, Glengowrie, Morphettville and Oaklands Park. Park Holme
Document 7: Wayville, South Australia: Wayville is an inner-southern suburb of Adelaide in the City of Unley. It is most notable for its hosting of the Royal Adelaide Show at the Adelaide Showgrounds. The suburb is bordered to the north with the southern Parklands of Adelaide, and mostly to the south with the tramline. The particular bordering locations of the South Park Lands are as follows: Kurrangga, Walyo Yerta, Minno Wirra, and Wikaparndo Wirra. The southern border consists of a number of landmarks. Starting at the Leader Street train crossing, the boundary follows Leader Street until Goodwood Road. The boundary then follows Parsons Street and crosses the tramline. Finally the southern boundary follows Simpson Parade. The east boundary is King William Road and the western boundary is the train tracks. Keswick Creek flows through the southern side of the suburb.
Document 8: South Terrace, Adelaide: South Terrace is a street on the south side of the city centre of Adelaide, the capital of South Australia. It runs from Anzac Highway and connects to Glen Osmond Road. King William Street ends at South Terrace. It is the southern edge of the city centre, and is bounded by parklands to the south, including Veale Gardens. Pulteney Grammar School is located on South Terrace, as is a large office tower owned by Optus.
Document 9: New Forest Show: The New Forest and Hampshire County Show, or more commonly known as the New Forest Show, is an annual agricultural show event held for three days at the end of July in New Park, near Brockenhurst in Hampshire, southern England, UK. The first New Forest Show was held in 1921, and in 2006, it celebrated its 80th show.
Document 10: Jenadriyah: Al-Jenadriyah (Arabic: مهرجان الجنادرية Maharajān al-Janādrīyah) is a cultural and heritage festival held in Jenadriyah (or Janadriyah) near Riyadh in Saudi Arabia each year, lasting for two weeks. It is organised by the National Guard, and the first was held in 1985. Activities include a camel race, performance of local music and dancing of the Ardah and the Mizmar. The festival draws more than one million visitors every year. The festival "normally falls during the month of February or March...Long ago, Janadriyah was known as 'Rowdhat Souwais' and was mentioned by numerous historians and writers."
Document 11: Regency Park, South Australia: Regency Park is an inner-northern suburb of Adelaide, 8 km from the City Centre, in the state of South Australia, Australia. It is located in the City of Port Adelaide Enfield, and is adjacent to Wingfield, Angle Park, Ferryden Park, Kilburn, Prospect, Dudley Park and Croydon Park. It is bounded to the north by Grand Junction Road, east by the Gawler train line, south by Regency Road and to the west by Days and South Roads. The postcode for Regency Park is 5010.
Document 12: Geology of South Australia: South Australia is an Australian state, situated in the southern central part of the country, and featuring some low-lying mountain ranges, the most significant being the Mount Lofty Ranges, which extend into the state's capital city, Adelaide, which comprises most of the state's population. Adelaide is situated on the eastern shores of Gulf St Vincent, on the Adelaide Plains, north of the Fleurieu Peninsula, between Gulf St Vincent and the low-lying Mount Lofty Ranges. The state of South Australia, which stretches along the coast of the continent and has boundaries with every other state in Australia, with the exception of the Australian Capital Territory and Tasmania. The Western Australia border has a history with South Australia, involving the South Australian Government Astronomer, Dodwell and the Western Australian Government Astronomer, Curlewis in the 1920s to mark the border on the ground.
Document 13: Woodville West, South Australia: Woodville West is a suburb of Adelaide, situated about 9 kilometres northwest of the Central Business District. It lies within the City of Charles Sturt. The postcode of Woodville West is 5011. Woodville West is bounded by the railway line and Port Road in the north, Findon Road in the east, Trimmer Parade, Todville Street and Minns Street East in the south, and Frank Mitchell Park, Agnes Street and the railway line in the west. As of 2011, Renewal SA and the City of Charles Sturt have been implementing the Woodville West Neighbourhood Renewal Project, which involves an $130m property development.
Document 14: Adelaide Showground: The Adelaide Showground holds many of Adelaide's most popular events, including the Royal Adelaide Show.
Document 15: Goodwood, South Australia: Goodwood is an inner southern suburb of the city of Adelaide. It neighbours the Royal Adelaide Showgrounds and features several churches in its commercial district. Its major precinct is Goodwood Road, which is home to many shops and businesses, as well as the local state school (Goodwood Primary School).
ground_truth: Royal Adelaide Show