CREATE TABLE "teams_and_drivers" (
  "entrant" text,
  "constructor" text,
  "chassis" text,
  "engine" text,
  "driver" text,
  "rounds" text
);

Question: What was the constructor for jo bonnier of 6 rounds?
SQL: SELECT "constructor" FROM "teams_and_drivers" WHERE "entrant"='jo bonnier' AND "rounds"='6';

Question: What was the driver with chassis of t45 t44 and rounds of 7?
SQL: SELECT "driver" FROM "teams_and_drivers" WHERE "chassis"='t45 t44' AND "rounds"='7';