in which military conflict were henry petty-fitzmaurice and queen victoria commanders ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_commander dbr_Henry_Petty-Fitzmaurice,_5th_Marquess_of_Lansdowne sep_dot var_uri dbo_commander dbr_Queen_Victoria sep_dot var_uri a dbo_MilitaryConflict brack_close