Question: How many companies were founded in the same year as Google?
SPARQL:
PREFIX dbo: <http://dbpedia.org/ontology/>
PREFIX res: <http://dbpedia.org/resource/>
SELECT COUNT(DISTINCT ?c)
WHERE {
        ?c rdf:type dbo:Company .
        ?c dbo:foundingYear ?year .
        res:Google dbo:foundingYear ?year .
}