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_66 (date VARCHAR, tier VARCHAR)
### Question:
Which date has the tier of Itf $10k?
### Answer:
SELECT date FROM table_name_66 WHERE tier = "itf $10k"