user: Question: How much Goal Difference has less than 9 Losses, and 8 Draws, and more than 40 points?
Columns: ['Position', 'Club', 'Played', 'Points', 'Wins', 'Draws', 'Losses', 'Goals for', 'Goals against', 'Goal Difference']
Types: ['real', 'text', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Córdoba CF', 30.0, 40.0, 16.0, 8.0, 6.0, 48.0, 22.0, 26.0]
SQL:

assistant: SELECT SUM("Goal Difference") FROM "Table" WHERE "Losses" < 9.0 AND "Draws" = 8.0 AND "Points" > 40.0;