user: Question: Name the least goals for goal difference of 7 and losses more than 13
Columns: ['Position', 'Club', 'Played', 'Points', 'Wins', 'Draws', 'Losses', 'Goals for', 'Goals against', 'Goal Difference']
Types: ['real', 'text', 'real', 'text', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Real Burgos', 38.0, '50+12', 18.0, 14.0, 6.0, 53.0, 24.0, 29.0]
SQL:

assistant: SELECT MIN("Goals against") FROM "Table" WHERE "Goal Difference" = 7.0 AND "Losses" > 13.0;