What are the other band members of the band one of whose current member is Robert De Niro?
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/currentMembers> <http://dbpedia.org/resource/Robert_De_Niro> . ?x <http://dbpedia.org/ontology/bandMember> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Band>}
Robert_De_Niro