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_name_17 (enrollment INTEGER, left VARCHAR, current_conference VARCHAR)

### Question ###
What is the lowest enrollment amount for a year left of 2012 and a current conference of Mid-South?

### Accurate SQL ###

SELECT MIN(enrollment) FROM table_name_17 WHERE left = 2012 AND current_conference = "mid-south"