user: Question: How many races did the german racer that won less than 10 races ride?
Columns: ['Name', 'Nationality', 'Races won', 'Races ridden', 'Win average']
Types: ['text', 'text', 'real', 'real', 'real']
Sample row: ['Patrick Sercu', 'Belgian', 88.0, 223.0, 0.3946]
SQL:

assistant: SELECT "Races ridden" FROM "Table" WHERE "Nationality" = 'german' AND "Races won" < 10.0;