Question: Which teams have used the stadium whose architect was Populous ?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/architect> <http://dbpedia.org/resource/Populous_(company)> . ?x <http://dbpedia.org/ontology/tenant> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Stadium>}