Question: Who owns the tunnels operated by the Massachusetts Department of Transportation?
SPARQL query: SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/operatedBy> <http://dbpedia.org/resource/Massachusetts_Department_of_Transportation> . ?x <http://dbpedia.org/property/owner> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/RoadTunnel>}
Answer: The owner of the road tunnels whose operator is Massachusetts Department of Transportation is [Massachusetts].