Question: Which city within the metropolitan area of Manila has the smallest electorate?
Paraphrase: Which urban, Manilan city has the smallest electorate?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q29946056 . ?ent wdt:P1831 ?obj . ?ent wdt:P131 wd:Q13580} ORDER BY ASC(?obj)LIMIT 5 
Answer: San Juan, Navotas, Malabon, Mandaluyong, Marikina