CREATE TABLE table_name_61 (regionalliga_nord VARCHAR(255), Ost VARCHAR(255), regionalliga_süd VARCHAR(255))
What was the Regionalliga Nord-Ost for the team that had a Regionalliga Sud of SpVgg Unterhaching?
    
SQL: SELECT regionalliga_nord - Ost FROM table_name_61 WHERE regionalliga_süd = "spvgg unterhaching"