Question: What are the organisation founded in Texas and Dallas?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?uri <http://dbpedia.org/ontology/foundationPlace> <http://dbpedia.org/resource/Texas> . ?uri <http://dbpedia.org/ontology/foundationPlace> <http://dbpedia.org/resource/Dallas> . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Organisation>}