list sports managers who managed fc ararat yerevan and russia national under-21 football team ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_managerClub dbr_FC_Ararat_Yerevan sep_dot var_uri dbp_managerclubs dbr_Russia_national_under-21_football_team sep_dot var_uri a dbo_SportsManager brack_close