Question: Which artist of Madagascar: Operation Penguin is also the writer of He's a Pirate ?
SPARQL query:
PREFIX prop: <http://dbpedia.org/property/>
 SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Madagascar:_Operation_Penguin> prop:artist ?uri. <http://dbpedia.org/resource/He's_a_Pirate> prop:writer ?uri}