Question: What magazine is Marritt Cabal known for and is the publisher of Lucifer's Hammer?
SPARQL:
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Merritt_Cabal> <http://dbpedia.org/ontology/knownFor> ?uri. <http://dbpedia.org/resource/Lucifer's_Hammer> <http://dbpedia.org/ontology/publisher> ?uri}