CREATE TABLE table_23242958_1 (original_air_date VARCHAR, written_by VARCHAR)

What is the original air date of the episode written by David Zuckerman?
SELECT original_air_date FROM table_23242958_1 WHERE written_by = "David Zuckerman"
SELECT "original_air_date" FROM "table_23242958_1" WHERE "David Zuckerman" = "written_by"