Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_40 (surface VARCHAR, score VARCHAR)
### Question:
What was the Surface in the match with a Score of 7–5, 6–7, 4–6?
### Answer:
SELECT surface FROM table_name_40 WHERE score = "7–5, 6–7, 4–6"