Question: In which country's cuisine, ham is an important part?
SPARQL query: SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/mainIngredient> <http://dbpedia.org/resource/Ham> . ?x <http://dbpedia.org/property/country> ?uri  . }
Answer: The nations where some of their dishes have ham as main ingredient are [Spain, Germany, North America, Great Britain, Bulgaria, Spain and Portugal].