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_27823359_1 ( written_by VARCHAR, season__number VARCHAR )

### Question ###
Who wrote episode 23 in the season?

### Accurate SQL ###

SELECT written_by FROM table_27823359_1 WHERE season__number = "23"