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_20726262_5 ( directedby VARCHAR, production_code VARCHAR )

### Question ###
Who directed the episode with a production code of 4WAB05?

### Accurate SQL ###

SELECT directedby FROM table_20726262_5 WHERE production_code = "4WAB05"