user: Question: How many wins did Hobbs had a 15th finish at poles 0?
Columns: ['Season', 'Series', 'Team', 'Races', 'Wins', 'Poles', 'Podiums', 'Points', 'Final Placing']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [2005.0, 'T Cars', 'PR Motorsport', '17', '8', '2', '10', '284', '1st']
SQL:

assistant: SELECT SUM("Wins") FROM "Table" WHERE "Poles" = '0' AND "Final Placing" = '15th';