Table schema:
CREATE TABLE table_14562722_1 (original_air_date VARCHAR, directed_by VARCHAR, written_by VARCHAR)

Question: What was the airdate of the episode that was directed by giancarlo volpe and written by is john o'bryan?
SQL: SELECT original_air_date FROM table_14562722_1 WHERE directed_by = "Giancarlo Volpe" AND written_by = "John O'Bryan"