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_40 (date VARCHAR, race_title VARCHAR)
### Question:
Which date has a Race Title of dhl turkish grand prix?
### Answer:
SELECT date FROM table_name_40 WHERE race_title = "dhl turkish grand prix"