Question: Tell me the one that has largest Mains voltage among the island that has the English language.
Choices: Tasmania
Maui
Aruba
Hawaii
Trinidad
Cyprus
Newfoundland
Puerto Rico
Guam
Long Island
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "island" . ?e <language_used> ?e_1 . ?e_1 <pred:name> "English" .  ?e <mains_voltage> ?pv . ?pv <pred:value> ?v .  } ORDER BY DESC(?v) LIMIT 1
Program:
function: Find
inputs: English
function: Relate
dependencies: 0
inputs: language used
backward
function: FilterConcept
dependencies: 1
inputs: island
function: SelectAmong
dependencies: 2
inputs: mains voltage
largest
Answer: Aruba