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_28466323_2 (written_by VARCHAR, production_code VARCHAR)

### Question ###
Who wrote the episode with production code 2j5568?

### Accurate SQL ###

SELECT written_by FROM table_28466323_2 WHERE production_code = "2J5568"