CREATE TABLE table_2769 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT)

If the episode was written by Tim Balme, what was the original air date?
SELECT "Original air date" FROM table_2769 WHERE "Written by" = 'Tim Balme'
SELECT "Original air date" FROM "table_2769" WHERE "Written by" = 'Tim Balme'