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_23255941_1 ( viewers__in_millions_ VARCHAR, directed_by VARCHAR )

### Question ###
How many millions of viewers watched the episode directed by Christine Moore?

### Accurate SQL ###

SELECT viewers__in_millions_ FROM table_23255941_1 WHERE directed_by = "Christine Moore"