Question: Which american football team  has stadium as O.co Coliseum?
SPARQL:
SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/ontology/locationCity> <http://dbpedia.org/resource/O.co_Coliseum>  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/AmericanFootballTeam>}