CREATE TABLE table_name_76 (surface VARCHAR, winner_and_score VARCHAR)

what is the surface when the winner and score is gustavo kuerten 6-4, 7-5, 7-6(6)?
SELECT surface FROM table_name_76 WHERE winner_and_score = "gustavo kuerten 6-4, 7-5, 7-6(6)"
SELECT "surface" FROM "table_name_76" WHERE "gustavo kuerten 6-4, 7-5, 7-6(6)" = "winner_and_score"