What is the constructor on the team with 8 rounds and a chassis of 156 158 1512?
CREATE TABLE "teams_and_drivers" (
  "constructor" text,
  "chassis" text,
  "tyre" text,
  "driver" text,
  "rounds" text
);
SELECT "constructor" FROM "teams_and_drivers" WHERE "rounds"='8' AND "chassis"='156 158 1512';