Question: How many people have worked for teams chaired by Patricia Amorim?
SPARQL:
SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/ontology/chairman> <http://dbpedia.org/resource/Patrícia_Amorim> . ?x <http://dbpedia.org/property/name> ?uri  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Person>}