user: Question: What engine was used by Equipe Simca Gordini before 1956 with less than 4 points?
Columns: ['Year', 'Entrant', 'Chassis', 'Engine', 'Points']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1950.0, 'Equipe Simca Gordini', 'Simca Gordini Type 15', 'Gordini Straight-4', 3.0]
SQL:

assistant: SELECT "Engine" FROM "Table" WHERE "Year" < 1956.0 AND "Points" < 4.0 AND "Entrant" = 'Equipe Simca Gordini';