list sports managers who managed bulgaria national under-21 football team and persipura jayapura ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_managerClub dbr_Bulgaria_national_under-21_football_team sep_dot var_uri dbp_managerclubs dbr_Persipura_Jayapura sep_dot var_uri a dbo_SportsManager brack_close