user: Question: Which rounds had the B195 chassis?
Columns: ['Entrant', 'Constructor', 'Chassis', 'Engine', 'Tyre', 'Driver', 'Rounds']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Mild Seven Benetton Renault', 'Benetton - Renault', 'B195', 'Renault RS7 3.0 V10', 'G', 'Michael Schumacher', 'All']
SQL:

assistant: SELECT "Rounds" FROM "Table" WHERE "Chassis" = 'B195';