Question: How many years did John Player Lotus used Cosworth V8?
SQL: SELECT SUM("Year") FROM "2-1226554-3" WHERE "Engine" = 'Cosworth V8' AND "Entrant" = 'John Player Lotus';

Question: Who used EuroBrun ER189B after 1989?
SQL: SELECT "Entrant" FROM "2-1226554-3" WHERE "Year" > 1989.0 AND "Chassis" = 'EuroBrun ER189B';

Question: Who used Ford V8 and Jordan 191 after 1990 and got 8 points?
SQL: SELECT "Entrant" FROM "2-1226554-3" WHERE "Year" > 1990.0 AND "Engine" = 'Ford V8' AND "Points" = 8.0 AND "Chassis" = 'Jordan 191';