query: #title: value should have a label in English
  # Complex constraint from [[Property talk:P8701]]
  # TODO add an English label
  SELECT DISTINCT ?item ?year ?location ?country
  {
  	hint:Query hint:optimizer "None".
  	?item ^ wdt:P8701 [] .
  	OPTIONAL { ?item rdfs:label ?l . FILTER( lang(?l)= "en" ) }
  	FILTER ( !BOUND(?l) )
      OPTIONAL { ?item wdt:P276 ?location }
      OPTIONAL { ?item wdt:P17 ?country }
      OPTIONAL { ?item wdt:P585 ?d . BIND(YEAR(?d) as ?year) }
  }
  LIMIT 1000