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_16384596_4 (written_by VARCHAR, broadcast_order VARCHAR)

### Question ###
Who wrote the episode for s02 e07?

### Accurate SQL ###

SELECT written_by FROM table_16384596_4 WHERE broadcast_order = "S02 E07"