What is the Point of Chassis of Lancia d50 in 1954
CREATE TABLE "complete_formula_one_world_championship_" (
  "year" real,
  "entrant" text,
  "chassis" text,
  "engine" text,
  "points" text
);
SELECT "points" FROM "complete_formula_one_world_championship_" WHERE "chassis"='lancia d50' AND "year"=1954;