CREATE TABLE table_name_29 (outgoing_manager VARCHAR(255), replaced_by VARCHAR(255), manner_of_departure VARCHAR(255), team VARCHAR(255))
Tell me the outgoing manager for resigned and replaced by manolo villanova for real zaragoza
    
SQL: SELECT outgoing_manager FROM table_name_29 WHERE manner_of_departure = "resigned" AND team = "real zaragoza" AND replaced_by = "manolo villanova"