Who were the first drivers in Grand Prixes where the first team was Scuderia Ferrari?
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/firstTeam> <http://dbpedia.org/resource/Scuderia_Ferrari> . ?x <http://dbpedia.org/ontology/firstDriver> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/GrandPrix>}
Scuderia_Ferrari