CREATE TABLE table_name_16 (surface VARCHAR, score VARCHAR)

What is the Surface of the court in the match with a Score of 4 6, 6 4, 3 6?
SELECT surface FROM table_name_16 WHERE score = "4–6, 6–4, 3–6"
SELECT "surface" FROM "table_name_16" WHERE "4–6, 6–4, 3–6" = "score"