user: Question: What is the mean amount of staying councilors with an election result amounting to less than 10 with the green party, and a new council bigger than 0?
Columns: ['Party', 'Previous council', 'Staying councillors', 'Seats up for election', 'Election result', 'New council']
Types: ['text', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Conservatives', 29.0, 19.0, 10.0, 8.0, 28.0]
SQL:

assistant: SELECT AVG("Staying councillors") FROM "Table" WHERE "Election result" < 10.0 AND "Party" = 'green' AND "New council" > 0.0;