return values of a specific field in a db table using linq ?

class ProjectInfo
{
   public string Name {get; set; }
}

public List GetProjectForCombo()
{
    using (MyDataContext db = new MyDataContext (DBHelper.GetConnectionString()))
    {
        var query = from pro in db.Projects
                    select new ProjectInfo(){ Name = pro.ProjectName};

        return query.ToList();
    }
}