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_47 (class VARCHAR, wins VARCHAR, points VARCHAR, year VARCHAR)
### Question:
Which class corresponds to more than 2 points, wins greater than 0, and a year earlier than 1973?
### Answer:
SELECT class FROM table_name_47 WHERE points > 2 AND year < 1973 AND wins > 0