Question: What kind of Chassis supports a Maserati Straight-6 engine with Points greater than 0 and built in the year 1955?
SQL: SELECT "Chassis" FROM "2-1228256-1" WHERE "Engine" = 'Maserati Straight-6' AND "Points" > 0.0 AND "Year" = 1955.0;

Question: What kind of Chassis supports an Equipe Gordini Entrant?
SQL: SELECT "Chassis" FROM "2-1228256-1" WHERE "Entrant" = 'Equipe Gordini';

Question: What kind of Entrant has a Maserati Straight-6 Engine, built in the year 1958 or early, and has a Maserati 250F Chassis with points less than 4?
SQL: SELECT "Entrant" FROM "2-1228256-1" WHERE "Engine" = 'Maserati Straight-6' AND "Year" < 1958.0 AND "Chassis" = 'Maserati 250F' AND "Points" < 4.0;

Question: What is the average year for Maserati Straight-4 Engines?
SQL: SELECT AVG("Year") FROM "2-1228256-1" WHERE "Engine" = 'Maserati Straight-4';