human
339) Count how many addresses do not link to any building, road, or construction.
gpt
```sparql
PREFIX :<http://example.org/ontology#>
SELECT (COUNT(?addr) AS ?count)
WHERE {
  ?addr a :Address .
  FILTER NOT EXISTS { ?b a :Building ; :hasAddress ?addr }
  FILTER NOT EXISTS { ?r a :Road ; :hasAddress ?addr }
  FILTER NOT EXISTS { ?c a :Construction ; :hasAddress ?addr }
}
```