user: Question: What is the losses average when the against is greater than 1255 and wins is 0 and the draws less than 0?
Columns: ['Ballarat FL', 'Wins', 'Byes', 'Losses', 'Draws', 'Against']
Types: ['text', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Sunbury', 16.0, 1.0, 1.0, 0.0, 1044.0]
SQL:

assistant: SELECT AVG("Losses") FROM "Table" WHERE "Against" > 1255.0 AND "Wins" = 0.0 AND "Draws" < 0.0;