Table schema:
CREATE TABLE table_1444201_1 (year_model VARCHAR, engine VARCHAR, model VARCHAR)

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