CREATE TABLE table_23114705_3 (original_air_date VARCHAR2, written_by VARCHAR2)

If the episode was written by Tim Balme, what was the original air date?
SELECT original_air_date FROM table_23114705_3 WHERE written_by = "Tim Balme"
SELECT "original_air_date" FROM "table_23114705_3" WHERE "Tim Balme" = "written_by"