Tell me the surface for 16 april 2007
CREATE TABLE table_name_72 (surface VARCHAR, date VARCHAR)
SELECT surface FROM table_name_72 WHERE date = "16 april 2007"
### Context: CREATE TABLE table_name_72 (surface VARCHAR, date VARCHAR) ### Question: Tell me the surface for 16 april 2007 ### Answer: SELECT surface FROM table_name_72 WHERE date = "16 april 2007"