title: Fusion table layer filtering based on polygon
body: <p>I've a fusion table map example with 5 layers given in this link : <a href="http://jsfiddle.net/ju2Re/" rel="nofollow">http://jsfiddle.net/ju2Re/</a></p>
  
  <p>I want to filter the layers such that,</p>
  
  <p>first I select a layer using dropdown : Office hierarchy > Zone > Bagalkot</p>
  
  <p>Now I want to select the 220 KV stations only inside that polygon using the select box.</p>
  
  <p>Please anyone help. Thank you in advance.</p>