Table: t_2_bundesliga_promotions_3
Columns: season
regionalliga_s_d
regionalliga_west_s_dwest
regionalliga_nord
regionalliga_nord_ost

Question: What is the Regionalliga Sud for 1995-96?
SQL: SELECT "regionalliga_s_d" FROM t_2_bundesliga_promotions_3 WHERE "season" = '1995-96'

Question: What was the Regionalliga Nord-Ost for the team that had a Regionalliga Sud of SpVgg Unterhaching?
SQL: SELECT "regionalliga_nord_ost" FROM t_2_bundesliga_promotions_3 WHERE "regionalliga_s_d" = 'spvgg unterhaching'

Question: Which season had a Regionalliga Sud of Stuttgarter Kickers?
SQL: SELECT "season" FROM t_2_bundesliga_promotions_3 WHERE "regionalliga_s_d" = 'stuttgarter kickers'

Question: Which Regionalliga West/Sudwest had a Regionalliga Nord-Ost of Carl Zeiss Jena?
SQL: SELECT "regionalliga_west_s_dwest" FROM t_2_bundesliga_promotions_3 WHERE "regionalliga_nord_ost" = 'carl zeiss jena'