Question: List the first drivers of Grand Prixes where Mika Hakkinen was a pole driver.
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x onto:poleDriver <http://dbpedia.org/resource/Mika_Häkkinen> . ?x onto:firstDriver ?uri  . ?x rdf:type onto:GrandPrix}