What entrant had a Maserati 250F chassis and fewer than 6 points before 1957?
CREATE TABLE table_67242 (
    "Year" real,
    "Entrant" text,
    "Chassis" text,
    "Engine" text,
    "Points" real
)
SELECT "Entrant" FROM table_67242 WHERE "Chassis" = 'maserati 250f' AND "Year" < '1957' AND "Points" < '6'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What entrant had a Maserati 250F chassis and fewer than 6 points before 1957? ### Input: CREATE TABLE table_67242 (
    "Year" real,
    "Entrant" text,
    "Chassis" text,
    "Engine" text,
    "Points" real
) ### Response: SELECT "Entrant" FROM table_67242 WHERE "Chassis" = 'maserati 250f' AND "Year" < '1957' AND "Points" < '6'