List the title for the season episode number of 8.
CREATE TABLE "table1_23916272_6" (
  "series_num" real,
  "season_num" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text
);
SELECT "title" FROM "table1_23916272_6" WHERE "season_num"=8;