Question: Does the 20 kV AC railway electrification have a voltage that is less than 16000.0?
Paraphrase: Does the 20 kV AC railroad jolt have a voltage that's less than 16000.0?
SPARQL (Wikidata): ASK WHERE { wd:Q12202629 wdt:P2436 ?obj filter(?obj < 16000.0) }