CREATE TABLE table_21530474_1 (drivetrain VARCHAR2, engine_code VARCHAR2, chassis_code VARCHAR2)

Name the drivetrain for 1ur-fse for usf41
SELECT drivetrain FROM table_21530474_1 WHERE engine_code = "1UR-FSE" AND chassis_code = "USF41"
SELECT "drivetrain" FROM "table_21530474_1" WHERE "1UR-FSE" = "engine_code" AND "USF41" = "chassis_code"