CREATE TABLE table_64139 ("Club" TEXT, "Active" TEXT, "Wins" FLOAT, "Losses" FLOAT, "Draws" FLOAT, "Percentage wins" TEXT, "Flags" FLOAT)

What are the losses of Warrnambool with a draw less than 19?
SELECT AVG("Losses") FROM table_64139 WHERE "Club" = 'warrnambool' AND "Draws" < '19'
SELECT AVG("Losses") FROM "table_64139" WHERE "Club" = 'warrnambool' AND "Draws" < '19'