user: Question: What is the sum of League Goals, when Position is "df", when League Cup Apps is "0", when Total Apps is "7", and when FLT Goals is less than 0?
Columns: ['Squad No.', 'Name', 'Position', 'League Apps', 'League Goals', 'FA Cup Apps', 'FA Cup Goals', 'League Cup Apps', 'League Cup Goals', 'FLT Apps', 'FLT Goals', 'Total Apps', 'Total Goals']
Types: ['real', 'text', 'text', 'text', 'real', 'text', 'real', 'text', 'real', 'text', 'real', 'text', 'real']
Sample row: [2.0, 'Andy Holdsworth', 'DF', '30 (4)', 0.0, '1', 0.0, '2', 0.0, '1', 0.0, '34 (4)', 0.0]
SQL:

assistant: SELECT SUM("League Goals") FROM "Table" WHERE "Position" = 'df' AND "League Cup Apps" = '0' AND "Total Apps" = '7' AND "FLT Goals" < 0.0;