Question: How many members are there of the organization headquartered at Amstelveen?
SPARQL query: SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/property/headquarters> <http://dbpedia.org/resource/Amstelveen> . ?x <http://dbpedia.org/property/membership> ?uri  . }
Answer: There are [37] members of the organisations headquartered at Amstelveen.