CREATE TABLE "table1_29583441_1" (
  "no_in_series" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" real
);

Question: Who wrote the episode with production code 57376?
SQL: SELECT "written_by" FROM "table1_29583441_1" WHERE "production_code"=57376;

Question: What is the smallest numbered production code listed?
SQL: SELECT MIN("production_code") FROM "table1_29583441_1";

Question: What date did the episode that was directed by Christian i. nyby ii originally air on?
SQL: SELECT "original_air_date" FROM "table1_29583441_1" WHERE "directed_by"='Christian I. Nyby II';