title: Select single value from xml with xpath
body: <p>I don't really know a lot about xml , How do I select "Hello" or "world" with XPath?</p>
  
  <pre><code>&lt;Site&gt;
      &lt;Row&gt;
          &lt;Title&gt;Hello&lt;/Title&gt;
          &lt;Bigtext&gt;World&lt;/Bigtext&gt;
          &lt;Smalltext&gt;Test&lt;/Smalltext&gt;
      &lt;/Row&gt;
  &lt;/Site&gt;
  </code></pre>