Added support for Select queries

[jrote1]

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[jrote1]

We're getting into some advanced queries now

.GroupBy( x => x.Area )
.Select( x => new GroupByResult
{
    Area = x.Key,
    Places = x.Where( p => p.Size > 9 ).OrderBy( p => p.Size ).ToList()
 } )
 .ToList();