CREATE TABLE table_956 ("Season" TEXT, "Regionalliga S\\u00fcd" TEXT, "Regionalliga West/S\\u00fcdwest" TEXT, "Regionalliga Nord" TEXT, "Regionalliga Nord-Ost" TEXT)

what's the regionalliga nord with regionalliga s d being 1. fc nuremberg spvgg greuther f rth
SELECT "Regionalliga Nord" FROM table_956 WHERE "Regionalliga S\u00fcd" = '1. FC Nuremberg SpVgg Greuther Fürth'
SELECT "Regionalliga Nord" FROM "table_956" WHERE "Regionalliga S\u00fcd" = '1. FC Nuremberg SpVgg Greuther Fürth'