CREATE TABLE "table1_18335117_3" (
  "no_overall" real,
  "no_in_series" real,
  "title" text,
  "director" text,
  "writer" text,
  "original_air_date" text,
  "production_code" real
);

Question: When "episode 1" is the title what is the overall number?
SQL: SELECT "no_overall" FROM "table1_18335117_3" WHERE "title"='\"Episode 1\"';

Question: When 15 is the number overall what is the original air date?
SQL: SELECT "original_air_date" FROM "table1_18335117_3" WHERE "no_overall"=15;

Question: When 1 is the number in series who is the director?
SQL: SELECT "director" FROM "table1_18335117_3" WHERE "no_in_series"=1;