user: Question: What is the sum of byes for losses larger than 14 for a Portland DFL of westerns?
Columns: ['Portland DFL', 'Wins', 'Byes', 'Losses', 'Draws', 'Against']
Types: ['text', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Tyrendarra', 16.0, 0.0, 2.0, 0.0, 993.0]
SQL:

assistant: SELECT SUM("Byes") FROM "Table" WHERE "Portland DFL" = 'westerns' AND "Losses" > 14.0;