Question: Who composed the episode after which came Butter's Very own Episode?
SPARQL query: SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/subsequentWork> <http://dbpedia.org/resource/Butters'_Very_Own_Episode> . ?x <http://dbpedia.org/ontology/musicComposer> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/TelevisionEpisode>}
Answer: The music composers of the television episode whose subsequent work is Butters' Very Own Episode are [Willie Nelson, On the Road Again (Willie Nelson song)].