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_55 (minutes_played VARCHAR, points VARCHAR, opponent VARCHAR)
### Question:
How many minutes were played when there were 18 points and the opponent was Chicago Bulls?
### Answer:
SELECT COUNT(minutes_played) FROM table_name_55 WHERE points = 18 AND opponent = "chicago bulls"