Table: bundesliga_promotions
Columns: season
rl_s_d_1st
rl_s_d_2nd
rl_s_dwest_1st
rl_s_dwest_2nd

Question: What season did SV Darmstadt 98 end up at RL Süd (1st)?
SQL: SELECT "season" FROM bundesliga_promotions WHERE "rl_s_d_1st" = 'SV Darmstadt 98'

Question: Who was RL Süd (1st) when FK Pirmasens was RL Südwest (1st)?
SQL: SELECT "rl_s_d_1st" FROM bundesliga_promotions WHERE "rl_s_dwest_1st" = 'FK Pirmasens'

Question: What season was Freiburger FC the RL Süd (2nd) team?
SQL: SELECT "season" FROM bundesliga_promotions WHERE "rl_s_d_2nd" = 'Freiburger FC'