Opponents of sebastián decoud santiago giraldo had what surface?
CREATE TABLE table_name_71 (surface VARCHAR, opponents VARCHAR)
SELECT surface FROM table_name_71 WHERE opponents = "sebastián decoud santiago giraldo"
### Context: CREATE TABLE table_name_71 (surface VARCHAR, opponents VARCHAR) ### Question: Opponents of sebastián decoud santiago giraldo had what surface? ### Answer: SELECT surface FROM table_name_71 WHERE opponents = "sebastián decoud santiago giraldo"