user: Question: which chassis were in use prior to 1988?
Columns: ['Year', 'Entrant', 'Chassis', 'Engine', 'Points']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1986.0, 'Minardi Team', 'Minardi M185B', 'MM V6', 0.0]
SQL:

assistant: SELECT "Chassis" FROM "Table" WHERE "Year" < 1988.0;