user: Question: What's the Compression ratio when the vin Code is C?
Columns: ['Engine', 'Horsepower', 'Torque', 'Carburetor', 'Compression Ratio', 'Bore & Stroke', 'VIN Code']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['351-2V Windsor V8', 'hp (kW) @ 3600 rpm', 'lb·ft (N·m) @ 2200 rpm', '2-barrel', '8.20:1', '4.00" x 3.50"', 'H']
SQL:

assistant: SELECT "Compression Ratio" FROM "Table" WHERE "VIN Code" = 'C';