Question: When did the episode "Rowley 1898" air?
SQL: SELECT "Air Date" FROM "1-25390694-2" WHERE "Title" = '"Rowley 1898"';

Question: What was the production code of the episode written by Brendan Cowell?
SQL: SELECT "Production Code" FROM "1-25390694-2" WHERE "Writer" = 'Brendan Cowell';