Question: From which party is the politician who was selected  in Barasat constituency?
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:constituency <http://dbpedia.org/resource/Barasat_(Lok_Sabha_constituency)> . ?x onto:party ?uri . ?x rdf:type onto:OfficeHolder}