user: Question: Before the year 1988, what is the lowest number of points that entrant coloni spa scored?
Columns: ['Year', 'Entrant', 'Chassis', 'Engine', 'Points']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1987.0, 'Osella Squadra Corse', 'Osella FA1G', 'Alfa Romeo 1.5L V8 t/c', 0.0]
SQL:

assistant: SELECT MIN("Points") FROM "Table" WHERE "Entrant" = 'coloni spa' AND "Year" < 1988.0;