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_90 (date VARCHAR, opponent VARCHAR, record VARCHAR)
### Question:
On what date was the opponent the White Sox and the record 18-13?
### Answer:
SELECT date FROM table_name_90 WHERE opponent = "white sox" AND record = "18-13"