Question: Which creator of Theme Time Radio Hour has also given the  musical score of the The Times They Are a-Changin' (musical)?
SPARQL:
 SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Theme_Time_Radio_Hour> <http://dbpedia.org/property/creator> ?uri. <http://dbpedia.org/resource/The_Times_They_Are_a-Changin'_(musical)> <http://dbpedia.org/ontology/musicBy> ?uri}