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_25997153_1 ( us_viewers__million_ VARCHAR, directed_by VARCHAR )

### Question ###
how many million u.s. viewers watched the episode directed by dan lerner?

### Accurate SQL ###

SELECT us_viewers__million_ FROM table_25997153_1 WHERE directed_by = "Dan Lerner"