How many total points were earned with ferrari 125 Chassis after 1952?
CREATE TABLE "complete_world_championship_results" (
  "year" real,
  "entrant" text,
  "chassis" text,
  "engine" text,
  "points" real
);
SELECT SUM("points") FROM "complete_world_championship_results" WHERE "chassis"='ferrari 125' AND "year">1952;