<script type="text/javascript" charset="utf-8">
 
  $(document).ready(function(){
 
    var qID = QQ;
    var newtext = 'Some inserted text...';
 
    $('#question'+qID+' table.question thead td').text(newtext).addClass('insertedText');
  });
 
</script>

td.insertedText {
  text-align: right;
  vertical-align: bottom;
  color: red;
}

<script type="text/javascript" charset="utf-8">
 
  $(document).ready(function(){
 
    var qID = QQ;
    var newtext = 'Some inserted text...';
 
    $('#question'+qID+' table.question thead > tr > td').text(newtext).addClass('insertedText');
  });
 
</script>

<script type="text/javascript" charset="utf-8">
 
  $(document).ready(function(){
 
    var qID = QQ;
    var newhtml = '<table><tr><td>Some inserted HTML...</td></tr></table>';
 
    $('#question'+qID+' table.question thead > tr > td').html(newhtml).addClass('insertedText');
  });
 
</script>