What is Score In The Final, when Date is "30 August 1993"?
CREATE TABLE "singles_23_15_8" (
  "outcome" text,
  "date" text,
  "tournament" text,
  "surface" text,
  "opponent_in_the_final" text,
  "score_in_the_final" text
);
SELECT "score_in_the_final" FROM "singles_23_15_8" WHERE "date"='30 august 1993';