using System;   

using System.Linq;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        IQueryable<Entity> data = (new List<Entity>() {

            new Entity { Status = "1", Week = "a"},

                new Entity { Status = "2", Week = "c"},

                new Entity { Status = "3", Week = "b"},

                new Entity { Status = "1", Week = "a"},

                new Entity { Status = "1", Week = "a"}

        }) .AsQueryable();;

        var result = new List<EntityResult>();

        var statuses = data.Select(a => a.Status).Distinct().ToList();

        var weeks = data.Select(a => a.Week).Distinct().ToList();

        statuses.ForEach(s => {

            weeks.ForEach( w => {

                int count = data.Where(a => a.Status == s && a.Week == w).Count();

                result.Add(new EntityResult { Status = s, Week = s, Count= count});

            });

        });

        Console.WriteLine(result[0].Count);

    }

}

​

public class Entity 

{

    public string Status;

    public string Week;

}

public class EntityResult

{

    public string Status;

    public string Week;

    public int Count;

}