title: How to add some text in google piechart pieHole
body: <p>visualization.PieChart<code>with</code>pieHole<code>, I just want to give some custom text inside</code>pieHole` is this possible? Any idea how to do his?
  My code is</p>
  
  <pre><code>                 var chart6 = new google.visualization.PieChart(document.getElementById('chart6'));
                  chart6.draw(data, {width: 650, height: 259, title: 'Browser bounce rate',
                      colors:['#058DC7','#50B432','#ED561B','#EDEF00','#24CBE5','#64E572'],
                      areaOpacity: 0.1,
                      pieHole: 0.4,
                      hAxis: {textPosition: 'in', showTextEvery: 5, slantedText: false, textStyle: { color: '#FFFFFF', fontSize: 10 } },
                      pointSize: 5,
                      chartArea:{left:0,top:30,width:"100%",height:"100%"}
                  });
  </code></pre>