Who directed the episoede titled "sex, losers, and videotape"?
CREATE TABLE "table1_27833469_1" (
  "series_num" real,
  "season_num" text,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "u_s_viewers_millions" text
);
SELECT "directed_by" FROM "table1_27833469_1" WHERE "title"='\"Sex, Losers, and Videotape\"';