How many people wrote "Paddy's Pub: The Worst Bar in Philadelphia"?
CREATE TABLE "table1_29273243_1" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" text
);
SELECT COUNT("written_by") FROM "table1_29273243_1" WHERE "title"='\"Paddy''s Pub: The Worst Bar in Philadelphia\"';