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_28068645_8 (super_league INTEGER, champions_league VARCHAR)

### Question ###
List the lowest super league for a 0 champion league.

### Accurate SQL ###

SELECT MIN(super_league) FROM table_28068645_8 WHERE champions_league = 0