Which Entrant has an Engine of climax straight-4, and Points larger than 0?
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 "engine"='climax straight-4' AND "points">0;