human
Retrieve addresses that have a geometry typed as wktLiteral, but no street name.
gpt
```sparql
PREFIX geo:  <http://www.opengis.net/ont/geosparql#>
PREFIX :     <http://example.org/ontology#>
PREFIX rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#>

SELECT ?addr
WHERE {
  ?addr rdf:type :Address ;
        :hasGeometry ?g .
  ?g geo:asWKT ?wkt .
  FILTER NOT EXISTS { ?addr :hasStreetName ?s }
}
```