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_15430606_1 (length__minutes_ VARCHAR, no_in_series VARCHAR)

### Question ###
Name the total number of length minutes for number in series for 17

### Accurate SQL ###

SELECT COUNT(length__minutes_) FROM table_15430606_1 WHERE no_in_series = "17"