Question: For which party's PM did Chidambaram Subramaniam serve?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { res:Chidambaram_Subramaniam prop:primeminister ?x . ?x onto:party ?uri  . }