name the office holder who has a child named angus mcdonald and resting place is oak hill cemetery ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_child dbr_Angus_McDonald_ attr_open Virginia_militiaman attr_close sep_dot var_uri dbp_restingPlace dbr_Oak_Hill_Cemetery_ attr_open Washington,_D.C sep_dot attr_close sep_dot var_uri a dbo_OfficeHolder brack_close