What season had the Roma-Napoli match on 12 September 1993?
CREATE TABLE "list_of_derby_del_sole_results" (
  "season" text,
  "match" text,
  "result" text,
  "league" text,
  "date" text
);
SELECT "season" FROM "list_of_derby_del_sole_results" WHERE "match"='roma-napoli' AND "date"='12 september 1993';