user: Question: What year were there less than 1.5 points and an Entrant of Escuderia Bandeirantes, and a Maserati Straight-4 engine?
Columns: ['Year', 'Entrant', 'Chassis', 'Engine', 'Points']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1951.0, 'Escuderia Bandeirantes', 'Maserati 4CLT/48', 'Maserati Straight-4', 0.0]
SQL:

assistant: SELECT "Year" FROM "Table" WHERE "Points" < 1.5 AND "Entrant" = 'Escuderia Bandeirantes' AND "Engine" = 'Maserati Straight-4';