Question: Who used to skate with the pupils of Laureano Ibarra?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/coach> <http://dbpedia.org/resource/Laureano_Ibarra> . ?x <http://dbpedia.org/ontology/formerPartner> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/FigureSkater>}