CREATE TABLE table_28859177_3 (original_air_date VARCHAR2, directed_by VARCHAR2)

How many original air dates did the episode directed by Bethany rooney have?
SELECT COUNT(original_air_date) FROM table_28859177_3 WHERE directed_by = "Bethany Rooney"
SELECT COUNT("original_air_date") FROM "table_28859177_3" WHERE "Bethany Rooney" = "directed_by"