user: Question: When 24th is the final placing how many wins are there?
Columns: ['Season', 'Series', 'Team Name', 'Races', 'Wins', 'Poles', 'Podiums', 'Points', 'Final Placing']
Types: ['real', 'text', 'text', 'real', 'real', 'real', 'real', 'real', 'text']
Sample row: [2007.0, 'Formula Palmer Audi', 'Audi Russia Motorsport', 20.0, 0.0, 0.0, 0.0, 74.0, '19th']
SQL:

assistant: SELECT SUM("Wins") FROM "Table" WHERE "Final Placing" = '24th';