Question: What was a common first team at the 1967 Mexican Grand Prix and 1971 US one?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX prop: <http://dbpedia.org/property/>
SELECT DISTINCT ?uri WHERE { res:1967_Mexican_Grand_Prix prop:firstTeam ?uri. res:1971_United_States_Grand_Prix prop:firstTeam ?uri . }