Question: List the pole drivers in the grand prixes where Williams Grand Prix Engineering was a first team?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x prop:firstTeam <http://dbpedia.org/resource/Williams_Grand_Prix_Engineering> . ?x onto:poleDriver ?uri  . ?x rdf:type onto:GrandPrix}