XPath: accessing something that is not an attribute

[idekeelry]

I try to access the time (07.12.2012 00:36 Uhr) from the following snippet using lxml and a xpath-command. Unfortunately the wished information is not an attribute. Which xpath can I use to access it?My snippet:\[code\]{'class': 'artikeldiskussion-titel'}<div class="artikeldiskussion-titel"><span id="posting-649631-titel"><b>So</b></span> <span id="an_id" style="position: absolute; visibility: hidden; z-index: 999;" class="hint_grau"> </span> <span class="anz-postings-user" title="759 Kommentare">(759)</span> · 07.12.2012 00:36 Uhr</div>\[/code\]