Question: Count the number of first drivers in all the GPs where Mika Hakkinen was a pole driver?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX res: <http://dbpedia.org/resource/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT COUNT(?uri) WHERE { ?x onto:poleDriver <http://dbpedia.org/resource/Mika_HÃ¤kkinen> . ?x onto:firstDriver ?uri . ?uri rdf:type onto:RacingDriver}