user: Question: How many chassis used number 34?
Columns: ['No', 'Driver', 'Entrant', 'Constructor', 'Chassis', 'Engine']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [2.0, 'Ernst-Günther Burggaller', 'German Bugatti Team', 'Bugatti', 'Bugatti T35B', '2.3 L8']
SQL:

assistant: SELECT COUNT("Chassis") FROM "Table" WHERE "No" = 34.0;