What series number is the episode "peace, brother"?
CREATE TABLE "table1_27081956_1" (
  "episode_no_episode_no_refers_to_the_episodes_number_in_the_overall_series_whereas_series_no_refers_to_the_episodes_number_in_this_particular_series" real,
  "series_no" real,
  "episode" text,
  "director" text,
  "writer_s" text,
  "original_airdate" text
);
SELECT "series_no" FROM "table1_27081956_1" WHERE "episode"='\"Peace, Brother\"';