Who directed the episode titled "Not Without My Jacket"?
CREATE TABLE "table1_27412213_3" (
  "no" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "u_s_viewers_million" text,
  "original_air_date" text,
  "production_code" text
);
SELECT "directed_by" FROM "table1_27412213_3" WHERE "title"='\"Not Without My Jacket\"';