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_27847088_1 ( viewers__millions_ VARCHAR, series_no VARCHAR )

### Question ###
How many were the viewers (in millions) of the series no. 45?

### Accurate SQL ###

SELECT viewers__millions_ FROM table_27847088_1 WHERE series_no = 45