Which engine(s) has a year of 1966, and a point of 42.
CREATE TABLE "complete_world_championship_formula_one_" (
  "year" real,
  "chassis" text,
  "engine_s" text,
  "tyres" text,
  "points" text
);
SELECT "engine_s" FROM "complete_world_championship_formula_one_" WHERE "year"=1966 AND "points"='42';