query: #Fornlämningar that use raa-number as both qualifier and standalone (wrong),
  #with different values of both.
  SELECT ?item ?raa_qual ?raa_alone
  WHERE
  {
    ?item wdt:P1435 wd:Q21287602.
    ?item p:P1260 ?kulturarvsdata.
    ?kulturarvsdata pq:P1262 ?raa_qual.
    ?item wdt:P1262 ?raa_alone.
    FILTER (?raa_qual != ?raa_alone).
  }