title: LINQ Having Clause with inner select
body: <p>How would the following be converted to <code>LINQ</code>-<code>EF</code></p>
  
  <pre><code>select Name
  from TableA as TableAOuter
  group by TableAOuter.Name, TableAOuter.Id
  having(
      select count(TableAInner.Id)
      from TableA as TableAInner
      where TAbleAInner.Reference=TableAOuter.Id) = 0
  );
  </code></pre>