what are the original air dates with a production code of 2394087
CREATE TABLE "table1_10953197_3" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "director" text,
  "writer_s" text,
  "original_air_date" text,
  "production_code" text
);
SELECT "original_air_date" FROM "table1_10953197_3" WHERE "production_code"='2394087';