Question: When "Helpful Tracy" is the original title how many numbers are there?
SQL: SELECT COUNT("#") FROM "1-20124413-1" WHERE "Original title" = '"Helpful Tracy"';

Question: When 1.12 is the production code what is the original title?
SQL: SELECT "Original title" FROM "1-20124413-1" WHERE "Prod. code" = '1.12';

Question: When "The Postcard" is the original title what is the production code?
SQL: SELECT "Prod. code" FROM "1-20124413-1" WHERE "Original title" = '"The Postcard"';

Question: When 1.17 is the production code how many air dates are there?
SQL: SELECT COUNT("Original airdate") FROM "1-20124413-1" WHERE "Prod. code" = '1.17';