Question:  Wringer (novel) and Maniac Magee is the notable work of which author?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?uri prop:notableworks <http://dbpedia.org/resource/Wringer_(novel)> . ?uri prop:notableworks <http://dbpedia.org/resource/Maniac_Magee> . ?uri rdf:type onto:Writer}