Question: Which museum in New York has the most visitors?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX onto: <http://dbpedia.org/ontology/> 
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
SELECT DISTINCT ?uri 
WHERE {  
        ?uri rdf:type onto:Museum .
        ?uri onto:location res:New_York_City . 
        ?uri onto:numberOfVisitors ?num . 
}
ORDER BY DESC(?num)
OFFSET 0 LIMIT 1