title: App Engine - GQL invalid query string
body: <p>I don't know what can be wrong here:</p>
  
  <pre><code>SELECT * FROM RGUser    
  WHERE isGuest = FALSE AND created &lt; DATE('2011-09-01')    
  ORDER BY created
  </code></pre>
  
  <p>screenshot <a href="http://my.jetscreenshot.com/3910/20110904-pwms-18kb.jpg" rel="nofollow">http://my.jetscreenshot.com/3910/20110904-pwms-18kb.jpg</a></p>