Question: Name the company with product lines like Visual studio and Surface ?
SPARQL:
SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/property/products> <http://dbpedia.org/resource/Microsoft_Visual_Studio> . ?uri <http://dbpedia.org/ontology/product> <http://dbpedia.org/resource/Microsoft_Surface>  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Company>}