What points larger than 1950 has a maserati straight-6 engine?
CREATE TABLE "complete_formula_one_world_championship_" (
  "year" real,
  "entrant" text,
  "chassis" text,
  "engine" text,
  "points" real
);
SELECT "points" FROM "complete_formula_one_world_championship_" WHERE "year">1950 AND "engine"='maserati straight-6';