CREATE TABLE table_name_66 (surface VARCHAR, opponents_in_the_final VARCHAR)

What is Surface, when Opponents In The Final is 'Christophe Rochus Olivier Rochus'?
SELECT surface FROM table_name_66 WHERE opponents_in_the_final = "christophe rochus olivier rochus"
SELECT "surface" FROM "table_name_66" WHERE "christophe rochus olivier rochus" = "opponents_in_the_final"