CREATE TABLE table_73496 ("Outcome" CLOB, "Year" FLOAT, "Championship" CLOB, "Surface" CLOB, "Opponent in the final" CLOB, "Score in the final" CLOB)

What is every surface with a score in the final of 6 4, 6 7 (1 7) , 6 7 (4 7) , 4 6?
SELECT "Surface" FROM table_73496 WHERE "Score in the final" = '6–4, 6–7 (1–7) , 6–7 (4–7) , 4–6'
SELECT "Surface" FROM "table_73496" WHERE "Score in the final" = '6–4, 6–7 (1–7) , 6–7 (4–7) , 4–6'