name the office holder who has a child named bogusław fryderyk radziwiłł and resting place is archcathedral basilica of st . peter and st . paul ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_child dbr_Bogusław_Fryderyk_Radziwiłł sep_dot var_uri dbp_restingPlace dbr_Archcathedral_Basilica_of_St._Peter_and_St._Paul,_Poznań sep_dot var_uri a dbo_OfficeHolder brack_close