Question: Who has given guest appearances on the TV Episodes whose was music done by Mama Makes 3?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/music> <http://dbpedia.org/resource/Mama_Makes_Three> . ?x <http://dbpedia.org/property/guests> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/TelevisionEpisode>}