user: Question: Which chassis did Fondmetal F1 SpA use after 1990?
Columns: ['Year', 'Entrant', 'Chassis', 'Engine', 'Points']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1989.0, 'Ligier Loto', 'Ligier JS33', 'Cosworth V8', 1.0]
SQL:

assistant: SELECT "Chassis" FROM "Table" WHERE "Year" > 1990.0 AND "Entrant" = 'Fondmetal F1 SpA';