what's the season with regionalliga nord being vfb oldenburg
{'header': ['Season', 'Regionalliga Süd', 'Regionalliga West/Südwest', 'Regionalliga Nord', 'Regionalliga Nord-Ost'], 'page_title': 'Promotion to the 2. Bundesliga', 'section_title': '1995-2000', 'caption': '1995-2000', 'rows': [['1994-95', 'SpVgg Unterhaching', 'Arminia Bielefeld', 'VfB Lübeck', 'Carl Zeiss Jena'], ['1995-96', 'Stuttgarter Kickers', 'FC Gütersloh Rot-Weiß Essen', 'VfB Oldenburg', 'Tennis Borussia Berlin'], ['1996-97', '1. FC Nuremberg SpVgg Greuther Fürth', 'SG Wattenscheid 09', 'Hannover 96', 'Energie Cottbus'], ['1997-98', 'SSV Ulm 1846', 'Rot-Weiß Oberhausen', 'Hannover 96', 'Tennis Borussia Berlin'], ['1998-99', 'Waldhof Mannheim Kickers Offenbach', 'Alemannia Aachen', 'VfL Osnabrück', 'Chemnitzer FC']]}