Question: What is the name of Adelaide, South Australia's biggest and most popular event, attended by up to half a million people every year, held in the Adelaide Showground?

Context paragraphs:
Basahi Banzar: Basahi Banzar is a village which is situated in the Lakhimpur Kheri District, Uttar Pradesh, India, near the border with Nepal.  One part is covered by forest and all the three part is covered agricultural farms.  The river Shardha is nearby, as are the towns Basahi and Sampurna Nagar Kheri.  The nearest railway station is Palia Kalanpalia kalan.  People of this region generally do farming.  Fair is also a popular event here which takes place every year.  It is to celebrate harvesting festival and it is celebrate during Diwali.  Most of the people are migrating for search of work to suburban and urban areas places like Bombay Punjab and few other places.

Kiama Showground: The Kiama Showground is a sports and entertainment complex of the South Coast-Illawarra region in the coastal town of Kiama.  The complex includes two ovals, the Showring and Chittick Oval.  The showground is the host site of the Kiama Show which has operated for more than a hundred years.  The show is held in late January each year (around Australia Day) and run by one of the five oldest Agricultural Show Societies in Australia.  The showground's pavilion is the only community hall in Kiama.  The pavilion and grandstand at the Kiama Showground has undergone a major re-development which was publicly opened by NSW governor Marie Bashir in August 2009.  Kiama Showground is also the home ground to Group 7 Rugby League side, the Kiama Knights, a club where international players Shaun Timmins, Brett and Josh Morris learnt their trade.  Kiama Rugby Union Club also plays its home games out of Kiama Showground.  Kiama Touch Association also uses the ground for competition.  As a part of Crown land, the surface is open to public, and many schools in the area also use the ground for sports events.  The ground and pavilion are also used for various other concerts and special events.  The pavilion itself can even be booked for corporate events, wedding receptions, conferences or other special functions, with facilities catering for 180 dining guests and a theatre setup for 330 people in the main "Norfolk room".  Smaller rooms, "Saddlback room" and "Surf Beach room" seat 80 people combined (or 40 each as separate rooms), as well as the "Kendall room" seating a further 35 patrons.

Mercedes-Benz Fashion Week Miami: Mercedes-Benz Fashion Week Miami is an annual fashion week held in Miami, Florida, United States.  Mercedes-Benz Fashion Week Miami, not to be confused with Miami Fashion Week, is held every year during the Summer at the Raleigh Hotel at 1775 Collins Avenue in South Beach, Miami Beach.  Mercedes-Benz Fashion Week Miami works together with New York Fashion Week, and is the country's largest, and most important fashion week for swimwear.  IMG whom first brought its runway event to South Beach in 2004, had an ongoing partnership with Mercedes-Benz.  However, due to changes in ownership, as IMG was acquired by William Morris Endeavor and Silver Lake Partners in a $2.2 billion deal, the agency lost Mercedes-Benz as a title sponsor.  The show was cancelled for 2015 but will resume in 2016 after re-branding the popular event.

Adelaide Showground: The Adelaide Showground holds many of Adelaide's most popular events, including the Royal Adelaide Show.

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.

Saint Louis Art Museum: The Saint Louis Art Museum is one of the principal U.S. art museums, with paintings, sculptures, cultural objects, and ancient masterpieces from all corners of the world.  Its three-story building stands in Forest Park in St. Louis, Missouri, where it is visited by up to a half million people every year.  Admission is free through a subsidy from the cultural tax district for St. Louis City and County.

World Hepatitis Day: World Hepatitis Day, observed on July 28 every year, aims to raise global awareness of hepatitis — a group of infectious diseases known as Hepatitis A, B, C, D, and E — and encourage prevention, diagnosis and treatment.  Hepatitis affects hundreds of millions of people worldwide, causing acute and chronic disease and killing close to 1.4 million people every year.

Pirate Station: Pirate Station (Russian: Пиратская станция ) was the world's biggest drum and bass music festival.  It's held every year since 2003, when St. Petersburg held the first event.  It has spread to the biggest Russian cities (Moscow, Ekaterinburg, Novosibirsk, Samara etc.) and has also taken place in Estonia and Ukraine, which makes Pirate Station the biggest Russian dance project ever.  Almost half a million people visited the festival during these years.  The main St. Petersburg show hosts more than 25,000 fans annually.  Pirate Station is not just about music – it is a mix of unique performances and special effects united by a concept which changes every year.

Together Boston: Together Boston is an annual music festival based in Massachusetts that was first held in February, 2010.  Its primary focus is to emphasize the unity of music, art and technology and their propagation in the city of Boston.  Through a week-long series of educational and professional discussions, demonstrations, installations, screenings and performances at venues around the Boston/Cambridge area, Together Boston attracts thousands of people every year, and has increased its attendance every year as a primary New England area music festival.  Although the festival was historically based in and around Boston, its office is across the Charles River in Central Square, Cambridge, Massachusetts.

Timeline of malaria: Malaria is an infectious disease caused by a parasite; it is spread by the bite of an infected mosquito.  Every year, 300 to 700 million people get infected.  Malaria kills 1 million to 2 million people every year.  90% of the deaths occur in Africa.

Supporting paragraphs: Adelaide Showground Royal Adelaide Show
Answer: Royal Adelaide Show