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_13956521_2 ( original_airdate VARCHAR, writer_s_ VARCHAR, director VARCHAR )

### Question ###
how many original airdate with writer(s) being becky hartman edwards and director being adam nimoy

### Accurate SQL ###

SELECT COUNT(original_airdate) FROM table_13956521_2 WHERE writer_s_ = "Becky Hartman Edwards" AND director = "Adam Nimoy"