CREATE TABLE table_name_92 (merconorte INTEGER, superliga VARCHAR(255), interliga VARCHAR(255), matches VARCHAR(255))
Name the least merconorte for interliga of 2 and matches more than 260 with superliga more than 7
    
SQL: SELECT MIN(merconorte) FROM table_name_92 WHERE interliga = 2 AND matches > 260 AND superliga > 7