query: PREFIX wd: <http://www.wikidata.org/entity/>
  PREFIX wdt: <http://www.wikidata.org/prop/direct/>
  PREFIX wikibase: <http://wikiba.se/ontology#>
  PREFIX p: <http://www.wikidata.org/prop/>
  PREFIX v: <http://www.wikidata.org/prop/statement/>
  PREFIX q: <http://www.wikidata.org/prop/qualifier/>
  PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
  PREFIX schema: <http://schema.org/>
  
  SELECT ?museum ?museumLabel ?typeLabel ?coord
  WHERE {
    ?museum wdt:P17 wd:Q34 .
    ?museum wdt:P31 ?type .
    ?type (wdt:P279)* wd:Q33506 .
    MINUS {?museum wdt:P625 ?coord . }
    SERVICE wikibase:label {
      bd:serviceParam wikibase:language "en" .
    }
  }