On what type of surface was the tournament of Italy f28?
CREATE TABLE table_name_84 (surface VARCHAR, tournament VARCHAR)
SELECT surface FROM table_name_84 WHERE tournament = "italy f28"
### Context: CREATE TABLE table_name_84 (surface VARCHAR, tournament VARCHAR) ### Question: On what type of surface was the tournament of Italy f28? ### Answer: SELECT surface FROM table_name_84 WHERE tournament = "italy f28"