CREATE TABLE table_name_68 (season VARCHAR(255), north VARCHAR(255), south VARCHAR(255), west VARCHAR(255))
What season has esc holzkirchen south, esv buchloe west, and ehc bayreuth north?
    
SQL: SELECT season FROM table_name_68 WHERE south = "esc holzkirchen" AND west = "esv buchloe" AND north = "ehc bayreuth"