Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_64139 ( "Club" text, "Active" text, "Wins" real, "Losses" real, "Draws" real, "Percentage wins" text, "Flags" real )

### Question ###
What are the losses of Warrnambool with a draw less than 19?

### Accurate SQL ###

SELECT AVG("Losses") FROM table_64139 WHERE "Club" = 'warrnambool' AND "Draws" < '19'