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_12451376_1 ( writer_s_ VARCHAR, director VARCHAR )

### Question ###
Who wrote the episode when the director was dean white?

### Accurate SQL ###

SELECT writer_s_ FROM table_12451376_1 WHERE director = "Dean White"