Question: Who owns the Flobal Rallycross that Scott Speed competes in?

Context paragraphs:
Ollie O'Donovan: Oliver O'Donovan is an Irish rallycross driver.  He was the 2007 British Rallycross Champion, and currently competes in the FIA European Rallycross Championship as a privateer.

Global Rallycross: Red Bull Global Rallycross (official abbreviation RBGR) is a self-owned rallycross series run in the United States.  Started as "Global RallyCross Championship" in 2009 by Brian Gale and Chip Pankow, the series has gained a fair amount of commercial success.  The events are run with heavily modified production cars called "Rallycross Supercars" and are run at a wide range of venues from NASCAR speedways to street courses and commonly feature a mix of dirt and asphalt.

Toro Rosso STR2: The Toro Rosso STR2 is the car with which the Scuderia Toro Rosso team competed in the Formula One season.  It was unveiled on February 13, 2007 at the Circuit de Catalunya.  The car is, controversially, a variant of the Red Bull RB3 chassis (although powered by a Ferrari instead of a Renault engine).  It was initially driven by Vitantonio Liuzzi and Scott Speed, until Speed was replaced by Sebastian Vettel at the Hungaroring for the remainder of the season.  The car in a modified form was also used to compete in the first four races of the Formula One season.  The modified car was driven by Sébastien Bourdais, four-consecutive-time Champ Car winner, and Vettel.  The STR2 was the first-ever Toro Rosso F1 car to use the mandatory 90-degree Formula One V8 engine configuration but Toro Rosso opted for the 2006-spec Ferrari 056 instead of the 2007-spec because of 1-year old Toro Rosso engine policy and also cost reasons.

Timmy Hansen: Kenneth Timmy Hansen (born 21 May 1992) is a rallycross driver from Sweden.  He currently competes in the FIA World Rallycross Championship Supercar category, driving for Team Peugeot-Hansen.  His father is the 14-times European Rallycross Champion Kenneth Hansen, his mother the 1994 ERA European Cup (Group N up to 1400cc) winner Susann Hansen (née Bergvall), and his brother rallycross driver Kevin Hansen.

Toomas Heikkinen: Toomas "Topi" Heikkinen (born 27 March 1991) is a rallycross and ice-racing driver from Finland.  He won the Finnish Rallycross Championship in 2010 and the Global Rallycross Championship in 2013.  He currently competes in the FIA World Rallycross Championship Supercar category, driving for EKS racing team.

2017 Global Rallycross Championship: The 2017 Red Bull Global RallyCross Championship was the seventh season of the Global RallyCross Championship.  Scott Speed was the reigning Supercars champion for a second season and Cabot Bigham was the reigning GRC Lites champion.  The schedule consisted of twelve rounds at eight different venues.

Scott Speed: Scott Andrew Speed (born January 24, 1983) is an American race car driver, who currently races in Global Rallycross for the Andretti Autosport team.

Toro Rosso STR1: The Scuderia Toro Rosso STR1 was the car with which the Scuderia Toro Rosso team competed in the Formula One season.  It was driven by Vitantonio Liuzzi, who had started four Grands Prix for the sister Red Bull Racing team in , and Scott Speed, a débutant who was the first American driver to compete in F1 since Michael Andretti in .  The STR1 was the first car from the Faenza-based team to use Michelin tyres since the Minardi PS02.

2016 Global RallyCross Championship: The 2016 Red Bull Global RallyCross Championship was the sixth season of the Global RallyCross Championship.  Scott Speed was the reigning Supercars champion and Oliver Eriksson was the reigning GRC Lites champion.  The schedule consisted of twelve rounds at eight different venues.  The season started at Wild Horse Pass Motorsports Park on May 21 and it concluded at the Port of Los Angeles on October 9.

Kevin Hansen (racing driver): Kevin Hansen (born 28 May 1998) is a rallycross driver from Sweden.  He currently competes in the FIA World Rallycross Championship (WRX) Supercar category, for Team Peugeot-Hansen.  His father is the 14-time European Rallycross Champion Kenneth Hansen.  He is also the youngest driver to race in a WRX event, making his debut at 17 years and 6 months old.

Supporting paragraphs: Scott Speed Global Rallycross
Answer: Red Bull