What is the {Muses} for {partner} of {Apollo}
Give the names of the Greek God Apollo's spouse's Muses.
Who were Apollo's partner's Muses?
SELECT DISTINCT ?f WHERE { ?f property:unmarried_partner resource:Apollo . ?f rdf:type ontology:Muses }
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P451> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q37340> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q66016> } 
 select distinct ?sbj where { ?sbj wdt:P451 wd:Q37340 . ?sbj wdt:P31 wd:Q66016 } 
Calliope Terpsichore Thalia