How to make simple "linq" request? : I want to make "LINQ" request, where I have two lists (you can see on picture). Request should work with List<G> and i want to get GW2-GW5. I want to see it in  style like "model.Select<G>( ... ).Where( ... ) ..."

![Request](http://i.stack.imgur.com/k2DQh.png)