query: #title: Bundesstraße in Germany
  # Complex constraint from [[Property talk:P14]]
  # German roads [[d:Q561431|Bundesstraße <small>(Q561431)</small>]] without [[d:Q561431|Bundesstraße <small>(Q561431)</small>]]
  SELECT ?item ?value WHERE {
    ?item wdt:P14 ?value.
    FILTER(REGEX(STR(?value), "Bundesstra%C3%9Fe")) .
    FILTER NOT EXISTS { ?item wdt:P31 wd:Q561431}
    ?item wdt:P17 ?country.
    FILTER(?country = wd:Q183).
  }