CREATE TABLE table_40779 ("Ballarat FL" TEXT, "Wins" FLOAT, "Byes" FLOAT, "Losses" FLOAT, "Draws" FLOAT, "Against" FLOAT)

What is the average number of Byes for the team that had 15 Losses, and less than 1 Win?
SELECT AVG("Byes") FROM table_40779 WHERE "Losses" = '15' AND "Wins" < '1'
SELECT AVG("Byes") FROM "table_40779" WHERE "Losses" = '15' AND "Wins" < '1'