name a office holder whose predecessor is fazlul qadir chaudhry and has son named abu zafar obaidullah ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_predecessor dbr_Fazlul_Qadir_Chaudhry sep_dot var_uri dbo_child dbr_Abu_Zafar_Obaidullah sep_dot var_uri a dbo_OfficeHolder brack_close