CREATE TABLE "table1_19501664_1" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "u_s_viewers_millions" text
);

Question: Name the viewers for the episode directed by tony phelan
SQL: SELECT "u_s_viewers_millions" FROM "table1_19501664_1" WHERE "directed_by"='Tony Phelan';

Question: Name the original air date for 15.74 viewers
SQL: SELECT "original_air_date" FROM "table1_19501664_1" WHERE "u_s_viewers_millions"='15.74';

Question: Name the title for us viewers being 18.29
SQL: SELECT "title" FROM "table1_19501664_1" WHERE "u_s_viewers_millions"='18.29';