CREATE TABLE table_12232526_2 (hull_numbers INT, ship_name VARCHAR)

what is the maximum number of hull nunbers where ship name is kri yos sudarso?
SELECT MAX(hull_numbers) FROM table_12232526_2 WHERE ship_name = "KRI Yos Sudarso"
SELECT MAX("hull_numbers") FROM "table_12232526_2" WHERE "KRI Yos Sudarso" = "ship_name"