Who wrote the story that is cover date 19 October 1985?
CREATE TABLE "table1_18305523_2" (
  "num" real,
  "cover_date" text,
  "story_title" text,
  "writer_s" text,
  "artist_s" text,
  "letterer_s" text,
  "colourist_s" text,
  "editor_s" text,
  "comments" text
);
SELECT "writer_s" FROM "table1_18305523_2" WHERE "cover_date"='19 October 1985';