Question: The 2011 Indianapolis motorcycle Grand Prix took place at what racing circuit that is also home of the Indianapolis 500?
Context: The 2008 Indianapolis motorcycle Grand Prix was the fourteenth round of the 2008 MotoGP Championship.  It took place on the weekend of September 12–14, 2008 at the Indianapolis Motor Speedway – the first time the circuit has hosted a major motorcycle racing event since its first year of operation in 1909.  As there was a United States Grand Prix at Mazda Raceway Laguna Seca earlier in 2008, this marks the championship's second visit to the USA in 2008, the first time this has ever happened.  Unlike the Laguna Seca round, the meeting features the supporting 125cc and 250cc classes, marking their first visit to North America since 1994. The 2009 Australian motorcycle Grand Prix was the fifteenth round of the 2009 Grand Prix motorcycle racing season.  It took place on the weekend of 16–18 October 2009 at the Phillip Island Grand Prix Circuit.  Ducati rider Casey Stoner won the grand prix, in his home race.  Championship leader Valentino Rossi finished second, further increasing his championship lead over rival Jorge Lorenzo, who crashed out and failed to score any points.  This also marked the final Grand Prix win in the career of Marco Simoncelli before his death 2 years later on 23rd October 2011 at the 2011 Malaysian motorcycle Grand Prix after suffering a fatal crash in Race. The 2012 Catalan motorcycle Grand Prix was the fifth round of the 2012 Grand Prix motorcycle racing season and the 17th Catalan motorcycle Grand Prix.  It took place on the weekend of 1–3 June 2012 at the Circuit de Catalunya in Barcelona, Spain.  The three classes of motorcycle racing which took place during the weekend were MotoGP, Moto2 and Moto3. The Spanish motorcycle Grand Prix is a motorcycling event that is part of the FIM Grand Prix motorcycle racing season that takes place at Circuito Permanente de Jerez outside Jerez de la Frontera in Andalucia.  In addition to this event, three other motorcycling events take place in Spain as of the 2010 season: the Catalan motorcycle Grand Prix, the Aragon motorcycle Grand Prix and the Valencian Community motorcycle Grand Prix, in the autonomous communities of Catalonia, Aragon and Valencia respectively. The 2011 Indianapolis Grand Prix was the twelfth round of the 2011 Grand Prix motorcycle racing season.  It took place on the weekend of August 26–28, 2011 at the Indianapolis Motor Speedway. The 2001 Valencian Community motorcycle Grand Prix was the twelfth round of the 2001 Grand Prix motorcycle racing season.  It took place on the weekend of 21–23 September 2001 at the Circuit de Valencia.  Two weeks after the September 11 attacks on New York and Washington D.C., Grand Prix Motorcycle Racing's governing body, the Fédération Internationale de Motocyclisme (FIM) announced that the Valencian Community Motorcycle Grand Prix would go ahead as scheduled.  Additionally, the Royal Automobile Club of Spain urged fans and spectators to behave "in keeping with the gravity of the situation and in collective participation in the pain of American citizens. The 2012 Indianapolis motorcycle Grand Prix (formally the 2012 Red Bull Indianapolis Grand Prix) was the eleventh round of the 2012 Grand Prix motorcycle racing season.  It was held on 19 August 2012 at the Indianapolis Motor Speedway in Indianapolis, Indiana. The 2001 Rio de Janeiro motorcycle Grand Prix was the sixteenth and latest round of the 2001 Grand Prix motorcycle racing season.  It took place on the weekend of 1–3 November 2001 at the Autódromo Internacional Nelson Piquet.  It was also the final 500cc race in Grand Prix motorcycle racing history.  This also marked the final Grand Prix win in the career of Daijiro Kato before his death caused by a crash in the 2003 Japanese motorcycle Grand Prix race. The 2015 Indianapolis motorcycle Grand Prix was the tenth round of the 2015 Grand Prix motorcycle racing season.  It was held at the Indianapolis Motor Speedway in Indianapolis on 9 August 2015. The Indianapolis Motor Speedway is an automobile racing circuit located in Speedway, Indiana, (an enclave suburb of Indianapolis) in the United States.  It is the home of the Indianapolis 500 and the Brickyard 400, and formerly the home of the United States Grand Prix.  It is located on the corner of 16th Street and Georgetown Road, approximately 6 mi west of Downtown Indianapolis.
Answer: The Indianapolis Motor Speedway