CREATE TABLE "races" (
  "round" real,
  "name" text,
  "circuit" text,
  "date" text,
  "winning_driver" text,
  "winning_car" text
);

Question: Which circuit did Guy Edwards win?
SQL: SELECT "circuit" FROM "races" WHERE "winning_driver"='guy edwards';

Question: What circuit did Rupert Keegan win in round 8?
SQL: SELECT "circuit" FROM "races" WHERE "winning_driver"='rupert keegan' AND "round"=8;

Question: Who won Silverstone in a round after 10?
SQL: SELECT "name" FROM "races" WHERE "round">10 AND "circuit"='silverstone';