SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Mary_Poppins_(musical)> <http://dbpedia.org/ontology/author> ?uri }
Who has written the mary poppins musical?
SELECT DISTINCT ?x WHERE { resource:Mary_Poppins_(musical) property:author ?x }
Julian Fellowes
The author of Mary Poppins musical is [Julian Fellowes].
[Julian Fellowes] has written the musical Mary Pfeiffer.