What was the surface of the game that resulted in a final score of 6-1 7-5?
CREATE TABLE table_name_90 (surface VARCHAR, score VARCHAR)
SELECT surface FROM table_name_90 WHERE score = "6-1 7-5"
### Context: CREATE TABLE table_name_90 (surface VARCHAR, score VARCHAR) ### Question: What was the surface of the game that resulted in a final score of 6-1 7-5? ### Answer: SELECT surface FROM table_name_90 WHERE score = "6-1 7-5"