which city located on water polo at the 2015 european games – women's tournament 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_Water_polo_at_the_2015_European_Games_–_Women's_tournament dbp_cities var_uri brack_close