What episode number of the season was "The Northern Uprising"?
CREATE TABLE "table1_10413597_4" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "setting" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text
);
SELECT "no_in_season" FROM "table1_10413597_4" WHERE "title"='\"The Northern Uprising\"';