human
Find roads that also have :hasNumberOfUnits property (if data is incorrect).
gpt
```sparql
PREFIX :     <http://example.org/ontology#>
PREFIX rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#>

SELECT ?road ?units
WHERE {
  ?road rdf:type :Road ;
        :hasNumberOfUnits ?units .
}
```