Question: List the authors of the musicals whose songwriter is Richard M. Sherman.
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x onto:musicBy <http://dbpedia.org/resource/Richard_M._Sherman> . ?x onto:author ?uri  . ?x rdf:type onto:Musical}