How to load last column from json (google spreadsheets) to Datatables jQuery?

Question

JavaScript

I need to display information from a googlespreadsheets table using the datatable plugin to a website.
The table itself
Data from the table in json

How can I display the last column with the price in the datable? And, accordingly, the date

$('#example2').dataTable( {

    "paging": true,
    "iDisplayLength": 7,
    "lengthChange": false,
    "searching": false,
    "ordering": true,
    "info": false,
    "autoWidth": false,    
    "bServerSide":false,
    "bProcessing":true,
    "sAjaxDataProp": "feed.entry",
    "sAjaxSource": "https://spreadsheets.google.com/feeds/list/1f1k6jxo7eMdtBEK2M2PblmL2gNAXb2UnFAJA/1/public/values?alt=json",

    "aoColumns": [  
      { 
        "mDataProp": "gsx$п.$t",
      },
      { "mDataProp": "gsx$компания.$t", "defaultContent": "" }, 
      { 
        "mDataProp": "gsx$_dkvya.$t", // _dkvya - заголовок поля даты  генерируется автоматически, т.к. дата не строковый тип)
        "defaultContent": ""
      },
      { 
        "mDataProp": "", 
        "defaultContent": "",
      },
      { "mDataProp": "gsx$км.$t", "defaultContent": ""  },
      { "mDataProp": "gsx$товар.$t", "defaultContent": "" }
    ]
  });