Question: Name the music artist which collaborated with the spouse of Jessi Colter?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/spouse> <http://dbpedia.org/resource/Jessi_Colter> . ?uri <http://dbpedia.org/ontology/associatedMusicalArtist> ?x  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/MusicalArtist>}