Question: Does Spain or Vanuatu have less mains voltage ?
Choices: Socialist Federal Republic of Yugoslavia
Vanuatu
Samoa
Russian Soviet Federative Socialist Republic
South Sudan
Cambodia
Spain
Kiribati
Switzerland
Weimar Republic
SPARQL: SELECT ?e WHERE { { ?e <pred:name> "Spain" .  } UNION { ?e <pred:name> "Vanuatu" .  } ?e <mains_voltage> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: Find
inputs: Spain
function: Find
inputs: Vanuatu
function: SelectBetween
dependencies: 0
1
inputs: mains voltage
less
Answer: Vanuatu