query: #title: Probable mismatches
  # Complex constraint from [[Property talk:P1986]]
  # items with this property always have a publication date which is posterior to death date; otherwise, either the death date or the DBI ID is wrong
  SELECT DISTINCT ?item ?itemLabel ?pubdate ?deathdate
  WHERE {
    ?item p:P1986 [ pq:P577 ?pubdate ] .
    ?item wdt:P570 ?deathdate .
    FILTER(YEAR(?pubdate) < YEAR(?deathdate))
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
  }
  ORDER BY ?pubdate