Question: What year engine does a Ferrari V6 have?
SQL: SELECT "Year" FROM "2-1226466-1" WHERE "Engine" = 'Ferrari V6';

Question: What is the entrant of a chassis Maserati 250F, also has 6 points and older than year 1957?
SQL: SELECT "Entrant" FROM "2-1226466-1" WHERE "Chassis" = 'Maserati 250F' AND "Points" = '6' AND "Year" < 1957.0;