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_23528223_2 ( written_by VARCHAR, us_viewers__millions_ VARCHAR )

### Question ###
Who wrote the episode seen by 10.64 million people in the US?

### Accurate SQL ###

SELECT written_by FROM table_23528223_2 WHERE us_viewers__millions_ = "10.64"