How many companies were founded in Menlo Park, California?
SELECT DISTINCT COUNT(?uri) WHERE {?uri <http://dbpedia.org/property/foundation> <http://dbpedia.org/resource/Menlo_Park,_California>  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Company>}
Menlo_Park,_California