Question: How many things are people who died in St. Petersburg known for?
SPARQL query: SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/property/deathPlace> <http://dbpedia.org/resource/Saint_Petersburg> . ?x <http://dbpedia.org/ontology/knownFor> ?uri  . }
Answer: There are [81] known works of the people who died in Saint Petersburg.