Question: Which artists were born on the same date as Rachel Stevens?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX prop: <http://dbpedia.org/property/> 
PREFIX onto: <http://dbpedia.org/ontology/> 
SELECT DISTINCT ?uri 
WHERE {
	?uri rdf:type onto:Artist.
	res:Rachel_Stevens prop:dateOfBirth ?date .
	?uri prop:dateOfBirth ?date .
}