On July 15, 1984 what surface was used?
CREATE TABLE table_name_15 (surface VARCHAR, date VARCHAR)
SELECT surface FROM table_name_15 WHERE date = "july 15, 1984"
### Context: CREATE TABLE table_name_15 (surface VARCHAR, date VARCHAR) ### Question: On July 15, 1984 what surface was used? ### Answer: SELECT surface FROM table_name_15 WHERE date = "july 15, 1984"