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_1990460_1 ( division INTEGER, regular_season VARCHAR )

### Question ###
What's the lowest division number of the 6th, Great Lakes season?

### Accurate SQL ###

SELECT MIN(division) FROM table_1990460_1 WHERE regular_season = "6th, Great Lakes"