from row in Parent_Table
select new{
             Parent_Table.include("child_table").Select("SomeField").Max(),
             row
          }

myObjectQuery.Include("Proj_PF_" + state_Year).Select("phisicalImprovement").Max();

'phisicalImprovement' is not a member of 'Transient.collection[NezaratModel.Proj_PF_58_89(Nullable=True,DefaultValue=)]'. To extract a property of a collection element, use a subquery to iterate over the collection. Near simple identifier

var query = (new ObjectQuery<YourEntity>("SELECT VALUE ...")).Include("SomerRelation");