CREATE TABLE table_name_3 (byes INTEGER, against VARCHAR(255), losses VARCHAR(255), ballarat_fl VARCHAR(255))
What is the largest byes with lost games of 4 and Ballarat FL of Melton and the against less than 1819?
    
SQL: SELECT MAX(byes) FROM table_name_3 WHERE losses = 4 AND ballarat_fl = "melton" AND against < 1819