Question:  Moisés Solano helped fund his racing career by playing a sport that is a variation of what game? 
Context: Infinity Ward, Inc. is an American video game developer.  They developed the video game "Call of Duty", along with six other installments in the "Call of Duty" series.  Vince Zampella, Grant Collier, and Jason West established Infinity Ward in 2002 after working at 2015, Inc. previously.  All of the 22 original team members of Infinity Ward came from the team that had worked on "" while at 2015, Inc.  Activision helped fund Infinity Ward in its early days, buying up 30 percent of the company.  The studio's first game, World War II shooter "Call of Duty", was released on the PC in 2003.  The day after the game was released, Activision snapped up the rest of Infinity Ward, signing employees to long term contracts.  Infinity Ward went on to make "Call of Duty 2", "", "", "", "" and most recently "". Russian Rhythm is a retired Thoroughbred racehorse and active broodmare who was bred in the United States but trained in the United Kingdom.  During a racing career which lasted from June 2002 until May 2004 she ran ten times and won seven races.  In 2003 her wins included the Classic 1000 Guineas, the Coronation Stakes and the Nassau Stakes and at the end of the season she was voted European Champion Three-Year-Old Filly at the Cartier Racing Awards.  After winning the Lockinge Stakes on her only race in 2003 her racing career was ended by injury and she retired to become a broodmare. Formosa (1865–1881) was a British Thoroughbred racehorse that was the first winner of the English Fillies Triple Crown in addition to running a dead heat with the colt Moslem for the 2,000 Guineas Stakes.  Formosa was bred by James Cookson and was foaled in 1865 at his Neasham Hall stud farm.  Formosa was sold to William Graham (who raced under the pseudonym G. Jones) in 1866 and raced her entire three-year racing career under his ownership.  After her racing career ended in 1871, she became a broodmare for Graham until his death in 1876.  Formosa was exported to France in 1879 and died there in February 1881.  While she did not produce offspring that excelled at racing, her daughters that were exported to Germany and New Zealand did produce descendants that were successful racers. Jai alai ( ; Basque: ] ) is a sport involving a ball bounced off a walled space by accelerating it to high speeds with a hand-held device (cesta).  It is a variation of Basque pelota.  The term, coined by Serafin Baroja in 1875, is also often loosely applied to the fronton (the open-walled playing area) where the sport is played.  The game is called "zesta-punta" (basket tip) in Basque. Secretariat (March 30, 1970 – October 4, 1989) was an American Thoroughbred racehorse who, in 1973, became the first Triple Crown winner in 25 years.  His record-breaking win in the Belmont Stakes, where he left the field 31 lengths behind him, is widely regarded as one of the greatest races of all time.  During his racing career, he won five Eclipse Awards, including Horse of the Year honors at ages two and three.  He was elected to the National Museum of Racing and Hall of Fame in 1974.  In the List of the Top 100 U.S. Racehorses of the 20th Century, Secretariat is second only to Man o' War (racing career 1919–1920), who also was a large chestnut colt given the nickname "Big Red". My Racing Career is a realistic, browser-based online motorsport manager game (MMOG) where the player takes the role of racing driver manager.  Rookie drivers start in low Formula 3 series climbing up the series ladder throughout driver`s career.  The beta version of the game was released in June 2011 with simple single races racing.  Full version was released in September 2012 adding the season series into the game.  Each month, My Racing Career is voted to be one of the best rated online sport games and one of the most popular online sport management games. Moisés Solana Arciniega (December 26, 1935 – July 27, 1969) was a racing driver from Mexico.  He participated in eight Formula One World Championship Grands Prix, debuting on October 27, 1963, and scoring no championship points.  He also participated in one non-Championship Formula One race.  He also took part in Formula Two in 1968 with Team Lotus at the Jarama Circuit near Madrid, Spain.  His first racing events were in a 1954 special (the "Solana Sports"), built by Javiér Solana.  Solana was also a proficient Jai alai player and his racing career was partly funded by this. Variation was a bay mare bred in 1827 either by Mr Nowell or by William Scott Stonehewer, Sr.  Stonehewer, a "great sporting man" from a "good old Yorkshire family", owned her during her racing career.  She was the eighth foal produced by her dam, a daughter of Beningbrough named Johanna Southcote (1811–1834).  Variation was the only classic winner sired by Bustard, a horse which won the Dee Stakes at Chester Racecourse in 1816. Mine That Bird (foaled May 10, 2006) is an American Thoroughbred racehorse who had a racing career in both Canada and the United States from 2008 to 2010.  He is best known for pulling off a monumental upset, at 50-to-1 odds, by winning the Kentucky Derby in 2009.  He became one of only nine geldings to win the Kentucky Derby and the second gelding to win the race since 1929.  He continued to have success in the two remaining races of the American Triple Crown of Thoroughbred Racing by finishing second in the 2009 Preakness Stakes and third in the 2009 Belmont Stakes.  On November 6, 2010, Mine That Bird was retired from racing after being winless in nine starts since the Kentucky Derby.  He amassed $2,228,637 in earnings and won five of eighteen starts during his three-year racing career. Patrick "Pat" Tryson (born July 12, 1962) is an American NASCAR crew chief from Malvern, Pennsylvania.  He began his racing career by working with Kenny Bernstein at King Racing.  He attended West Chester University to earn a Bachelor of Arts degree in Business Administration.  Afterward, he worked with several teams, such as Geoff Bodine Racing, Roush Fenway Racing, Wood Brothers Racing, Penske Racing, BK Racing, Turner Scott Motorsports, and crew chief of the No. 33 car of Circle Sport – The Motorsports Group.
Answer: Basque pelota