Which Chassis has more than 0 points, an Entrant of Scuderia Ferrari, and was later than 1952?
CREATE TABLE "complete_world_championship_grand_prix_r" (
  "year" real,
  "entrant" text,
  "chassis" text,
  "engine" text,
  "points" real
);
SELECT "chassis" FROM "complete_world_championship_grand_prix_r" WHERE "points">0 AND "entrant"='scuderia ferrari' AND "year">1952;