query: #title: Items with a statements imported from Wikimedia project
  # Complex constraint from [[Property talk:P6595]]
  # Items with statements that have [[Property:P143|imported from Wikimedia project&#32;<small dir="ltr">(P143)</small>]] as source instead of a real source. Reference should be replaced with a real source.
  SELECT DISTINCT ?item ?property WHERE {
    ?item wdt:P6595 ?id;
          ?property ?statement .
    ?statement prov:wasDerivedFrom/pr:P143 ?imported.
  } LIMIT 500