human
358) Show roads typed incorrectly also as :Geometry that have no geometry WKT.
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 ?r
WHERE {
  ?r rdf:type :Road , geo:Geometry .
  FILTER NOT EXISTS {
    ?r geo:asWKT ?wkt .
  }
}
```