Question: What organisations purpose is Peace?
SPARQL query: SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/property/purpose> <http://dbpedia.org/resource/Peace>  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Organisation>}
Answer: The organisations whose purpose is peace are [Greenpeace, International Physicians for the Prevention of Nuclear War, Greenpeace Nordic, CGNet Swara].