CREATE TABLE table_name_71 (fuel_system VARCHAR, displacement VARCHAR, model VARCHAR)

Which fuel system has a displacement of 1500cc for the Berlina model?
SELECT fuel_system FROM table_name_71 WHERE displacement = "1500cc" AND model = "berlina"
SELECT "fuel_system" FROM "table_name_71" WHERE "1500cc" = "displacement" AND "berlina" = "model"