Question: Which class has a year prior to 2011 and Audi R15 TDI as the chassis?
SQL: SELECT "Class" FROM "2-1228199-3" WHERE "Year" < 2011.0 AND "Chassis" = 'Audi R15 TDI';

Question: Which engine has a year later than 2006 and 60 as the points?
SQL: SELECT "Engine" FROM "2-1228199-3" WHERE "Year" > 2006.0 AND "Points" = '60';

Question: How many years has an engine of audi 3.6l turbo v8 and 1st as the rank with an audi r8r as the chassis?
SQL: SELECT COUNT("Year") FROM "2-1228199-3" WHERE "Engine" = 'audi 3.6l turbo v8' AND "Rank" = '1st' AND "Chassis" = 'audi r8r';

Question: Which entrant has 25th as the rank?
SQL: SELECT "Entrant" FROM "2-1228199-3" WHERE "Rank" = '25th';