CREATE TABLE table_name_29 (average INTEGER, interview VARCHAR(255), state VARCHAR(255), swimsuit VARCHAR(255), evening_gown VARCHAR(255))
What's the lowest average for a swimsuit over 6.89, evening gown over 7.76, and an interview over 8.57 in illinois?
    
SQL: SELECT MIN(average) FROM table_name_29 WHERE swimsuit > 6.89 AND evening_gown > 7.76 AND state = "illinois" AND interview > 8.57