$(document).ready(function() {
 var dataSource =
"http://pipes.yahoo.com/pipes/pipe.run?_id=fqjUTs652xGCrd5sFG_cUw&_render=json&_callback=?";
 var rawString, totalExoplanets;
 $.getJSON(dataSource, function(json) {
   rawString = json.value.items[0].title;               
   totalExoplanets = rawString.substring(rawString.length-3, rawString.length );
   $('#total_exoplanets').html(totalExoplanets);
  });
});