Question: The 2004 Superbike World Championship finished in a motor racing circuity located in central France that has a capacity of how many people?

Context paragraphs:
Carlos Checa: Carlos Checa (born 15 October 1972 in Barcelona, Spain, is a former professional motorcycle road racer and winner of the 2011 Superbike World Championship.  After racing in 500 cc and MotoGP for over a decade, mostly on Honda and Yamaha machinery with and without full manufacturer support, he moved to the Superbike World Championship on a Honda for 2008 .  He has two Grand Prix victories.  He has a younger brother, David Checa, also a motorcycle racer who competed in the Superbike World Championship for 2008 .

Adrien Morillas: Adrien Morillas (born May 30, 1958) is a French former Superbike and Grand Prix motorcycle road racer.  He competed in the inaugural Superbike World Championship season in 1988, winning one race.  His best year in Grand Prix competition was in 1991 when he finished in eleventh place in the 500cc world championship.  After his Grand Prix career, Morillas returned to compete in the Superbike World Championship from 1992 to 1995.  He participated in the FIM Endurance World Championship in 1993 and 1994, winning the 24 Hours of Le Mans both years.  He claimed the Endurance World Championship title for Kawasaki in 1994.

2009 Superbike World Championship: The 2009 Superbike World Championship was the twenty-second season of the Superbike World Championship.  It was the second season in which HANNspree had been the title sponsor of the championship.  The South African round returned on 15–17 May at Kyalami for first time since the 2002 season that the Superbike World Championship had raced there; other changes in the calendar were the return of Imola after a two-season absence as the replacement for Vallelunga and the discontinuation of Brands Hatch as one of the British venues.

2010 Superbike World Championship: The 2010 Superbike World Championship (officially known as the HANNspree SBK Superbike World Championship for sponsorship reasons) was the twenty-third season of the Superbike World Championship.  It was the third season in which HANNspree had been the title sponsor of the championship.

James Toseland: James Michael Toseland (born 5 October 1980) is an English former motorcycle racer.  Toseland was the 2007 World Superbike Champion on a Ten Kate Honda, and also won the 2004 Superbike World Championship on a Ducati.  He is one of only two men, the other being Troy Corser, to have won the World Superbike Championship for two different manufacturers.  On 9 September 2011 he officially retired from professional motorsport due to a wrist injury sustained in March 2011 at an official World Superbike Championship testing session at Motorland Aragon, Spain.

Superbike World Championship: Superbike World Championship (also known as SBK, World Superbike, WSB, or WSBK) is the worldwide Superbike racing Championship.  The championship was founded in 1988 .  The Superbike World Championship consists of a series of rounds held on permanent racing facilities.  Each round has two races and the results of each race are combined to determine two annual World Championships, one for riders and one for manufacturers.

SBK-07: Superbike World Championship: SBK-07 - Superbike World Championship also known as Hannspree Ten Kate Honda - SBK-07 Superbike World Championship in North America is the official Superbike World Championship video game and offers the official races, sessions, teams and riders of the real 2007 Superbike World Championship season.  The game allows the player to race in 5 game modes: Quick Race, Time Attack, Race weekend, Championship and Challenges in a variety of difficulties and weather conditions.  The game was also going to be released on the PC and Xbox 360 but they were cancelled.

2004 Superbike World Championship: The 2004 Superbike World Championship was the seventeenth FIM Superbike World Championship season.  The season started on 29 February at Valencia and finished on 3 October at Magny-Cours after 11 rounds.  The traditional Japanese round at Sugo was replaced with a new Canadian round which was scheduled for 4 July at the Mont-Tremblant, near Quebec.  Though no explanation was given for the change, it was seen as some form of revenge after the refusal of the Japanese manufacturers to back the 2004 rules.  The Canadian round was eventually canceled after a circuit inspection determined that the amount of work necessary to bring the venue up to WSBK standard could not be carried out in time for the proposed date.

2008 Superbike World Championship: The 2008 Superbike World Championship was the twenty-first season of the Superbike World Championship.  Corona Extra ceased to be the championship's title sponsor, as it had been since 1998.  The electronics manufacturer HANNspree took over as the title sponsor in 2008 and this arrangement remained in place until 2010, with the championship officially known as the "HANNspree SBK Superbike World Championship".

Circuit de Nevers Magny-Cours: Circuit de Nevers Magny-Cours, which has a capacity of 90,000, is a motor racing circuit located in central France, near the towns of Magny-Cours and Nevers, some 250 km (160 miles) from Paris.

Supporting paragraphs: 2004 Superbike World Championship Circuit de Nevers Magny-Cours
Answer: 90,000