CREATE TABLE "table1_23399481_4" (
  "series_num" real,
  "season_num" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "u_s_viewers_in_millions" text
);

Question: When was the first broadcast of the episode titled "Truth Be Told"?
SQL: SELECT "original_air_date" FROM "table1_23399481_4" WHERE "title"='\"Truth Be Told\"';

Question: What are the titles of the episodes which had 1.10 million U.S. viewers?
SQL: SELECT "title" FROM "table1_23399481_4" WHERE "u_s_viewers_in_millions"='1.10';

Question: What is the name of the episodes which had 1.22 million U.S. viewers?
SQL: SELECT "title" FROM "table1_23399481_4" WHERE "u_s_viewers_in_millions"='1.22';

Question: How many millions of viewers did the episode written by Andrea Conway Kagey?
SQL: SELECT "u_s_viewers_in_millions" FROM "table1_23399481_4" WHERE "written_by"='Andrea Conway Kagey';

Question: What is the title of the episode/s written by Michael Gans & Richard Register?
SQL: SELECT "title" FROM "table1_23399481_4" WHERE "written_by"='Michael Gans & Richard Register';