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_26914076_4 (teleplay_by VARCHAR, directed_by VARCHAR)

### Question ###
Who wrote the teleplay for the episode directed by Tim Robbins? 

### Accurate SQL ###

SELECT teleplay_by FROM table_26914076_4 WHERE directed_by = "Tim Robbins"