Question: Give me all people that were born in Vienna and died in Berlin.
SPARQL:
PREFIX dbo: <http://dbpedia.org/ontology/>
PREFIX res: <http://dbpedia.org/resource/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
SELECT DISTINCT ?uri ?string WHERE 
{
        ?uri dbo:birthPlace res:Vienna .
        ?uri dbo:deathPlace res:Berlin .
        OPTIONAL { ?uri rdfs:label ?string. FILTER (lang(?string) = 'en') }
}