Table: gordini_results
Columns: year
entrant
chassis
engine
points

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 gordini_results WHERE "engine" = 'maserati straight-6' AND "points" > 0 AND "year" = 1955

Question: What kind of Chassis supports an Equipe Gordini Entrant?
SQL: SELECT "chassis" FROM gordini_results 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 gordini_results WHERE "engine" = 'maserati straight-6' AND "year" < 1958 AND "chassis" = 'maserati 250f' AND "points" < 4

Question: What is the average year for Maserati Straight-4 Engines?
SQL: SELECT AVG("year") FROM gordini_results WHERE "engine" = 'maserati straight-4'