user: ### NOW ANSWER:
Question: Which Social Democratic Party has a Green smaller than 0?
Columns: ['Election', 'Labour', 'Conservative', 'Liberal', 'Social Democratic Party', 'Social and Liberal Democrats/ Liberal Democrats', 'Independent', 'Green', 'Other', 'Control']
Types: ['real', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'text', 'text']
Sample row: [1973.0, 45.0, 14.0, 8.0, 0.0, 0.0, 1.0, 0.0, '0', 'Labour']
SQL:

assistant: SELECT AVG("Social Democratic Party") FROM "Table" WHERE "Green" < 0.0;