user: Question: What is the total number of ends after 2006 with a nationality of ita and 0 goals?
Columns: ['Nat.', 'Name', 'Since', 'Goals', 'Ends', 'Transfer fee']
Types: ['text', 'text', 'real', 'real', 'real', 'text']
Sample row: ['GER', 'Michael Rensing', 2003.0, 0.0, 2010.0, 'Youth system']
SQL:

assistant: SELECT SUM("Ends") FROM "Table" WHERE "Since" > 2006.0 AND "Nat." = 'ita' AND "Goals" < 0.0;