CREATE TABLE table_name_51 (wins INTEGER, byes VARCHAR(255), against VARCHAR(255), losses VARCHAR(255))
What is the average Wins, when Against is less than 1786, when Losses is less than 4, and when Byes is less than 2?
    
SQL: SELECT AVG(wins) FROM table_name_51 WHERE against < 1786 AND losses < 4 AND byes < 2