Question: What are the party of the politicians whose deputy was Chaudhary Devi Lal?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/deputy> <http://dbpedia.org/resource/Chaudhary_Devi_Lal> . ?x <http://dbpedia.org/ontology/otherParty> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/OfficeHolder>}