what is the {applies to part} for {Guangzhou Metro} has {type of electrification} as {1500 V DC railway electrification} ?
What section of the Guangzhou Metro is characterized by its 1500 V DC railway electrification?
Which part of Guangzhou Metro runs on 1500 V DC railway electrification?
SELECT ?c WHERE { resource:Guangzhou_Metro property:type_of_electrification ?q . ?q property:applies_to_part ?c . ?q property:type_of_electrification resource:1500_V_DC_railway_electrification }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q660751> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P930> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q21253457> .
?statement <http://www.wikidata.org/entity/P518> ?value. 
} 

SELECT ?value WHERE { wd:Q660751 p:P930 ?s . ?s ps:P930 wd:Q21253457 . ?s pq:P518 ?value}