How many million viewers watch the episode that kevin biegel & aseem batra wrote?
CREATE TABLE "table1_25548213_1" (
  "series_num" real,
  "season_num" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" real,
  "u_s_viewers_million" text
);
SELECT "u_s_viewers_million" FROM "table1_25548213_1" WHERE "written_by"='Kevin Biegel & Aseem Batra';