user: Question: How many total points belong to the team with a goal difference of 8?
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, 'Sevilla FC', 42.0, 80.0, 23.0, 11.0, 8.0, 66.0, 39.0, 27.0]
SQL:

assistant: SELECT SUM("Points") FROM "Table" WHERE "Goal Difference" = 8.0;