Name the year model for  4-cyl straight engine dohc 16v and 1.5 crdi
CREATE TABLE "engines" (
  "model" text,
  "year_model" text,
  "engine" text,
  "cylinder_volume" text,
  "power" text,
  "torque" text,
  "fuel_system" text
);
SELECT "year_model" FROM "engines" WHERE "engine"='4-cyl Straight engine DOHC 16V' AND "model"='1.5 CRDi';