2635
Since July 1980 , these riders have won 157 GP/MotoGP races ( as at 2 November 2009 ) and a total of fourteen World Championships on motorcycles that " JB " has either prepared himself or whose preparation he has overseen as crew chief .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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