Question: Which shows are similar to the ones produced by Phil Collinson?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/executiveProducer> <http://dbpedia.org/resource/Phil_Collinson> . ?uri <http://dbpedia.org/ontology/related> ?x  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/TelevisionShow>}