who is the opponent when the year is after 1996 and the outcome is winner?
CREATE TABLE "singles_10_8_2" (
  "outcome" text,
  "year" real,
  "championship" text,
  "surface" text,
  "opponent" text,
  "score" text
);
SELECT "opponent" FROM "singles_10_8_2" WHERE "year">1996 AND "outcome"='winner';