CREATE TABLE "table1_24910742_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: Who directed the episode entitled "Shotgun"?
SQL: SELECT "directed_by" FROM "table1_24910742_1" WHERE "title"='\"Shotgun\"';

Question: What was the airdate of episode number 18?
SQL: SELECT "original_air_date" FROM "table1_24910742_1" WHERE "no_in_season"=18;

Question: What was the title of the episode having exactly 9.64 million US viewers?
SQL: SELECT "title" FROM "table1_24910742_1" WHERE "u_s_viewers_millions"='9.64';