Question: To what political party do the politicians graduated from Somerville college, Oxford belong to?
SPARQL query: SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/almaMater> <http://dbpedia.org/resource/Somerville_College,_Oxford> . ?x <http://dbpedia.org/ontology/party> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/OfficeHolder>}
Answer: The political parties of the officeholders whose alma mater is Somerville College, Oxford are [Indian National Congress, Conservative Party (UK), Labour Party (UK), Liberal Democrats, Social Democratic Party (UK), Labour Co-operative].