What is the torque of the engine with a type 16 valves dohc and a code k4m hi-flex?
CREATE TABLE "engines" (
  "name" text,
  "code" text,
  "capacity" text,
  "type" text,
  "power" text,
  "torque" text,
  "top_speed" text,
  "combined_consumption" text
);
SELECT "torque" FROM "engines" WHERE "type"='16 valves dohc' AND "code"='k4m hi-flex';