human
Find roads built before 1980 or after 2020.
gpt
```sparql
PREFIX :     <http://example.org/ontology#>
PREFIX rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#>

SELECT ?road
WHERE {
  ?road rdf:type :Road ;
        :hasConstructionYear ?year .
  FILTER(?year < 1980 || ?year > 2020)
}
```