Question: Which animals are critically endangered?
SPARQL:
PREFIX dbo: <http://dbpedia.org/ontology/>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
SELECT DISTINCT ?uri
WHERE {
        ?uri rdf:type dbo:Animal .
        ?uri dbo:conservationStatus 'CR' .
}