Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_4117 ( "Series #" real, "Season #" real, "Title" text, "Directed by" text, "Written by" text, "Original air date" text, "Production code" real )

### Question ###
How many original air dates did the episode directed by Bethany rooney have?

### Accurate SQL ###

SELECT COUNT("Original air date") FROM table_4117 WHERE "Directed by" = 'Bethany Rooney'