Which year has a fleet number of 603?
CREATE TABLE table_name_22 (year VARCHAR, fleet_number VARCHAR)
SELECT year FROM table_name_22 WHERE fleet_number = "603"
### Context: CREATE TABLE table_name_22 (year VARCHAR, fleet_number VARCHAR) ### Question: Which year has a fleet number of 603? ### Answer: SELECT year FROM table_name_22 WHERE fleet_number = "603"