In the Formula One World Championships, which entrant had 0 points with a Ferrari 156 Chassis after 1961?
CREATE TABLE "complete_formula_one_world_championship_" (
  "year" real,
  "entrant" text,
  "chassis" text,
  "engine" text,
  "points" real
);
SELECT "entrant" FROM "complete_formula_one_world_championship_" WHERE "points"=0 AND "year">1961 AND "chassis"='ferrari 156';