Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_85 (engine VARCHAR, entrant VARCHAR, points VARCHAR)
### Question:
What engine did Scuderia Ambrosiana with fewer than 4 points have?
### Answer:
SELECT engine FROM table_name_85 WHERE entrant = "scuderia ambrosiana" AND points < 4