CREATE TABLE table_23835213_2 (undisclosed VARCHAR(255), wycombe_wanderers VARCHAR(255))
What is the undisclosed when Aldertown is Aldershot Town and Wycombe Wanderers is Oxford United?
    
SQL: SELECT undisclosed FROM table_23835213_2 WHERE "aldershot_town" = "aldershot_town" AND wycombe_wanderers = "Oxford United"