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_20360535_3 ( no VARCHAR, directed_by VARCHAR, written_by VARCHAR )

### Question ###
How many episodes directed by ben jones and written by paul dini?

### Accurate SQL ###

SELECT COUNT(no) FROM table_20360535_3 WHERE directed_by = "Ben Jones" AND written_by = "Paul Dini"