which city located on 2006 fiba africa clubs champions cup is also the stadium 2011–12 olympiacos f . c . season ?
SELECT DISTINCT var_uri where brack_open dbr_2011–12_Olympiacos_F.C._season dbp_stadium var_uri sep_dot dbr_2006_FIBA_Africa_Clubs_Champions_Cup dbp_cities var_uri brack_close