CREATE TABLE table_name_1 (cf_wins INTEGER, cup_wins VARCHAR(255), team VARCHAR(255), cf_appearances VARCHAR(255), last_cf VARCHAR(255))
What is the lowest number of cf wins of the chicago blackhawks, which has more than 4 cf appearances, a last cf in 2013, and more than 2 cup wins?
    
SQL: SELECT MIN(cf_wins) FROM table_name_1 WHERE cf_appearances > 4 AND last_cf = 2013 AND team = "chicago blackhawks" AND cup_wins > 2