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_11411026_2 (us_viewers__millions_ VARCHAR, written_by VARCHAR)

### Question ###
How many millions of U.S. viewers whatched episodes written by Krystal Houghton?

### Accurate SQL ###

SELECT us_viewers__millions_ FROM table_11411026_2 WHERE written_by = "Krystal Houghton"