Question: the third round the 2004 FIA GT Championship season took place at a motor racing circuit with has a capacity of what?

Context paragraphs:
2004 FIA GT Monza 500km: The 2004 FIA GT Monza 500 km was the first round the 2004 FIA GT Championship season.  It took place at the Autodromo Nazionale Monza, Italy, on March 28, 2004.

2004 FIA GT Magny-Cours 500km: The 2004 FIA GT Magny-Cours 500 km was the third round the 2004 FIA GT Championship season.  It took place at the Circuit de Nevers Magny-Cours, France, on 2 May 2004.

2009 24 Hours of Spa: The 2009 Total 24 Hours of Spa was the 62nd running of the Spa 24 Hours and the fourth round of the 2009 FIA GT Championship season.  The race took place at Circuit de Spa-Francorchamps between 25 and 26 July 2009.  Joining the FIA GT Championship competitors were cars from numerous national GT series as well as competitors from the FIA GT3 European Championship.  This was the last time GT1 machinery was eligible for the race, as well as the last Spa 24 Hours that was part of the FIA GT Championship.

2004 FIA GT Valencia 500km: The 2004 FIA GT Valencia 500 km was the second round the 2004 FIA GT Championship season.  It took place at the Circuit de Valencia, Spain, on April 18, 2004.

2004 FIA GT Zhuhai 500km: The 2004 FIA GT Zhuhai 500 km was the eleventh and final round the 2004 FIA GT Championship season.  It took place at the Zhuhai International Circuit, China, on November 14, 2004.

2004 FIA GT Brno 500km: The 2004 FIA GT Brno 500 km was the fifth round the 2004 FIA GT Championship season.  It took place at the Brno Circuit, Czech Republic, on May 30, 2004.

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.

2003 FIA GT Championship: The 2003 FIA GT Championship season was the 7th season of the FIA GT Championship.  The championship consisted of the FIA GT Championship for Drivers, the N-GT Cup for Drivers, the FIA GT Championship for Teams and the N-GT Cup for Teams.  The four titles were contested over a ten event series open to Grand Touring cars broken into two classes, GT and N-GT, based on power and manufacturer involvement.  The championship began on 6 April 2003 and ended on 19 October 2003.

2004 FIA GT Hockenheim 500km: The 2004 FIA GT Hockenheim 500 km was the fourth round the 2004 FIA GT Championship season.  It took place at the Hockenheimring, Germany, on May 16, 2004.

2004 FIA GT Donington 500km: The 2004 FIA GT Donington 500 km was the sixth round the 2004 FIA GT Championship season.  It took place at the Donington Park, United Kingdom, on June 27, 2004.

Supporting paragraphs: 2004 FIA GT Magny-Cours 500km Circuit de Nevers Magny-Cours
Answer: 90,000