query: SELECT ?item ?itemLabel ?prop ?propLabel ?rank ?value 
  WHERE
  {
  	?item p:P1618 ?statement .
  	VALUES ?pq { pq:P580 } .
  	OPTIONAL {
  		?statement ?pq ?qualif .
  	} .
  	FILTER( !BOUND( ?qualif ) ) .
  	?prop wikibase:qualifier ?pq .
  	?statement wikibase:rank ?rank; ps:P1618 ?value .
  	SERVICE wikibase:label { bd:serviceParam wikibase:language "en" } .
  }
  LIMIT 100