On what Date was Rafael Nadal the Opponent?
CREATE TABLE table_name_37 (date VARCHAR, opponent VARCHAR)
SELECT date FROM table_name_37 WHERE opponent = "rafael nadal"
### Context: CREATE TABLE table_name_37 (date VARCHAR, opponent VARCHAR) ### Question: On what Date was Rafael Nadal the Opponent? ### Answer: SELECT date FROM table_name_37 WHERE opponent = "rafael nadal"