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_53 (engine_s_ VARCHAR, points VARCHAR, year VARCHAR)
### Question:
Which engine has more than 0 points and a year before 1984?
### Answer:
SELECT engine_s_ FROM table_name_53 WHERE points > 0 AND year < 1984