Question: Which part of Guangzhou Metro runs on 1500 V DC railway electrification?
Paraphrase: What section of the Guangzhou Metro is characterized by its 1500 V DC railway electrification?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q660751 p:P930 ?s . ?s ps:P930 wd:Q21253457 . ?s pq:P518 ?value}