CREATE TABLE "table1_15185133_1" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" real,
  "viewers_millions" text
);

Question: How many viewers in millions for episode "sokka's master"?
SQL: SELECT "viewers_millions" FROM "table1_15185133_1" WHERE "title"='\"Sokka''s Master\"';

Question: What is the original air date for the episode with a production code of 318?
SQL: SELECT "original_air_date" FROM "table1_15185133_1" WHERE "production_code"=318;

Question: What season has an episode written by john o'bryan and directed by ethan spaulding?
SQL: SELECT "no_in_season" FROM "table1_15185133_1" WHERE "written_by"='John O''Bryan' AND "directed_by"='Ethan Spaulding';

Question: What are all the numbers in the series with an episode title of "the beach"?
SQL: SELECT "no_in_series" FROM "table1_15185133_1" WHERE "title"='\"The Beach\"';