Table: t_2_bundesliga_promotions
Columns: season
regionalliga_s_d
regionalliga_west_s_dwest
regionalliga_nord
regionalliga_nord_ost

Question: what's the regionalliga nord with regionalliga süd being 1. fc nuremberg spvgg greuther fürth
SQL: SELECT "regionalliga_nord" FROM t_2_bundesliga_promotions WHERE "regionalliga_s_d" = '1. FC Nuremberg SpVgg Greuther Fürth'

Question: what's the season with regionalliga nord being vfb oldenburg
SQL: SELECT "season" FROM t_2_bundesliga_promotions WHERE "regionalliga_nord" = 'VfB Oldenburg'

Question: what's the regionalliga nord with regionalliga west/südwest being fc gütersloh rot-weiß essen
SQL: SELECT "regionalliga_nord" FROM t_2_bundesliga_promotions WHERE "regionalliga_west_s_dwest" = 'FC Gütersloh Rot-Weiß Essen'

Question: what's the season with regionalliga west/südwest being arminia bielefeld
SQL: SELECT "season" FROM t_2_bundesliga_promotions WHERE "regionalliga_west_s_dwest" = 'Arminia Bielefeld'

Question: what's the regionalliga west/südwest with regionalliga süd being stuttgarter kickers
SQL: SELECT "regionalliga_west_s_dwest" FROM t_2_bundesliga_promotions WHERE "regionalliga_s_d" = 'Stuttgarter Kickers'