title: Convert Linq to Sql Expression to Expression Tree
body: <p>Can anyone convert this simple LINQ-to-SQL to an Expression Tree:</p>
  
  <pre><code>List&lt;Region&gt; lst = (from r in dc.Regions
                      where r.RegionID &gt; 2 &amp;&amp; r.RegionDescription.Contains("ern")
                      select r).ToList();
  </code></pre>