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_15 (points INTEGER, year VARCHAR, chassis VARCHAR)
### Question:
What are the lowest number of points with a Year of 1978, and a Chassis of ensign n177?
### Answer:
SELECT MIN(points) FROM table_name_15 WHERE year = 1978 AND chassis = "ensign n177"