name the subsidary of list of assets owned by 21st century fox which was founded by rupert murdoch ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_subsidiary dbr_List_of_assets_owned_by_21st_Century_Fox sep_dot var_uri dbo_foundedBy dbr_Rupert_Murdoch sep_dot var_uri a dbo_Company brack_close