How many average points did the team Minardi Team USA have when there was a grid 3 and more laps than 68?
CREATE TABLE table_name_21 (
    points INTEGER,
    laps VARCHAR,
    team VARCHAR,
    grid VARCHAR
)
SELECT AVG(points) FROM table_name_21 WHERE team = "minardi team usa" AND grid = 3 AND laps > 68
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: How many average points did the team Minardi Team USA have when there was a grid 3 and more laps than 68? ### Input: CREATE TABLE table_name_21 (
    points INTEGER,
    laps VARCHAR,
    team VARCHAR,
    grid VARCHAR
) ### Response: SELECT AVG(points) FROM table_name_21 WHERE team = "minardi team usa" AND grid = 3 AND laps > 68