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_21297652_1 (series VARCHAR, points VARCHAR)

### Question ###
In what series did the driver get 30 points?

### Accurate SQL ###

SELECT series FROM table_21297652_1 WHERE points = 30