On what Surface was the match against Ilija Bozoljac played?
CREATE TABLE table_name_9 (surface VARCHAR, opponent VARCHAR)
SELECT surface FROM table_name_9 WHERE opponent = "ilija bozoljac"
### Context: CREATE TABLE table_name_9 (surface VARCHAR, opponent VARCHAR) ### Question: On what Surface was the match against Ilija Bozoljac played? ### Answer: SELECT surface FROM table_name_9 WHERE opponent = "ilija bozoljac"