Question: Which presidents were born in 1891?
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:President ; dbo:birthDate ?date FILTER regex(?date, "^1891") }