Name the surface for february 25, 1996
CREATE TABLE "doubles_9_5_4" (
  "outcome" text,
  "date" text,
  "tournament" text,
  "surface" text,
  "partner" text,
  "opponents" text,
  "score" text
);
SELECT "surface" FROM "doubles_9_5_4" WHERE "date"='february 25, 1996';