What is Opponent in The Final, when Date is "1976"?
CREATE TABLE "singles_finals_5_0_5" (
  "outcome" text,
  "date" real,
  "championship" text,
  "surface" text,
  "opponent_in_the_final" text,
  "score_in_the_final" text
);
SELECT "opponent_in_the_final" FROM "singles_finals_5_0_5" WHERE "date"=1976;