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_22347090_5 ( us_viewers__million_ VARCHAR, production_code VARCHAR )

### Question ###
Name the viewers for production code for 3x6704

### Accurate SQL ###

SELECT us_viewers__million_ FROM table_22347090_5 WHERE production_code = "3X6704"