user: Question: What is the Chassis having a year later than 1990, and Minardi Scuderia Italia as an entrant, and 4 points?
Columns: ['Year', 'Entrant', 'Chassis', 'Engine', 'Points']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1984.0, 'Toleman Group Motorsport', 'Toleman TG184', 'Hart Straight-4', 0.0]
SQL:

assistant: SELECT "Chassis" FROM "Table" WHERE "Year" > 1990.0 AND "Entrant" = 'Minardi Scuderia Italia' AND "Points" = 4.0;