Project(Extend(Join(BGP( ?_pensionKind ?p ?o),
                    Distinct(Project(Extend(BGP( ?_pensionKind <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://data.cssz.cz/ontology/pension-kinds/PensionKind>),
                                            ?pensionKind,
                                            iri((replace, str(?_pensionKind) , "^http:", "https:")) ),
                                     {?_pensionKind, ?pensionKind}))),
               ?COUNT2,
               count(*) ),
        {?COUNT2})