CREATE TABLE table_name_81 (surface VARCHAR, opponents_in_final VARCHAR)

What is Surface, when Opponents, when Final is 'Gigi Fern ndez Robin White'?
SELECT surface FROM table_name_81 WHERE opponents_in_final = "gigi fernández robin white"
SELECT "surface" FROM "table_name_81" WHERE "gigi fernández robin white" = "opponents_in_final"