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_17482534_1 (us_viewers__millions_ VARCHAR, written_by VARCHAR)

### Question ###
How many viewers did the episode written by Warren Lieberstein & Halsted Sullivan have?

### Accurate SQL ###

SELECT us_viewers__millions_ FROM table_17482534_1 WHERE written_by = "Warren Lieberstein & Halsted Sullivan"