query: SELECT ?person (COUNT(?subjectOf) AS ?numberOfSubjects) WHERE {
    ?person p:P1343 ?blkoeStmt.
    ?blkoeStmt ps:P1343 wd:Q665807;
      pq:P805 ?subjectOf.
   
  }
  
  GROUP BY ?person
  HAVING (COUNT(?subjectOf) > 1)