Question: What is the device whose successor's CPU is by AMD?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/cpu> <http://dbpedia.org/resource/Advanced_Micro_Devices> . ?uri <http://dbpedia.org/ontology/successor> ?x  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Device>}