15.03 million u.s viewers seen what episode?
CREATE TABLE "table1_14847258_1" (
  "series_num" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" real,
  "u_s_viewers_millions" text
);
SELECT "title" FROM "table1_14847258_1" WHERE "u_s_viewers_millions"='15.03';