CREATE TABLE table_1444201_1 (year_model VARCHAR, engine VARCHAR, model VARCHAR)

Name the year model for 4-cyl straight engine dohc 16v and 1.5 crdi
SELECT year_model FROM table_1444201_1 WHERE engine = "4-cyl Straight engine DOHC 16V" AND model = "1.5 CRDi"
SELECT "year_model" FROM "table_1444201_1" WHERE "1.5 CRDi" = "model" AND "4-cyl Straight engine DOHC 16V" = "engine"