CREATE TABLE "table1_24018430_3" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" real,
  "u_s_viewers_millions" text
);

Question: what is the original air date for production code 216?
SQL: SELECT "original_air_date" FROM "table1_24018430_3" WHERE "production_code"=216;

Question: what is writtenand directed by shannon flynn?
SQL: SELECT "written_by" FROM "table1_24018430_3" WHERE "directed_by"='Shannon Flynn';

Question: what number is us viewers in season 12?
SQL: SELECT "u_s_viewers_millions" FROM "table1_24018430_3" WHERE "no_in_season"=12;