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