Question: Richard Gant did a guest appearance on which series?
SPARQL query: SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/guests> <http://dbpedia.org/resource/Richard_Gant> . ?x <http://dbpedia.org/ontology/series> ?uri  . }
Answer: The series of the shows with guest Richard Gant are [Babylon 5, How I Met Your Mother].