What is the name of the Chassis of Diver Maria Teresa de Filippis in round 1?
CREATE TABLE "teams_and_drivers" (
  "entrant" text,
  "constructor" text,
  "chassis" text,
  "engine" text,
  "driver" text,
  "rounds" text
);
SELECT "chassis" FROM "teams_and_drivers" WHERE "rounds"='1' AND "driver"='maria teresa de filippis';