Question: What is the production code of the episode written by Jeff Filgo?
SQL: SELECT MAX("Production code") FROM "1-27988281-1" WHERE "Written by" = 'Jeff Filgo';

Question: Who wrote the episode titled "Red's Birthday"?
SQL: SELECT "Written by" FROM "1-27988281-1" WHERE "Title" = '"Red''s Birthday"';

Question: What is the production code of the episode titled "Halloween"? 
SQL: SELECT MIN("Production code") FROM "1-27988281-1" WHERE "Title" = '"Halloween"';