Question: Of Japanese prefectures bordering Niigata Prefecture, which occupies the least area?
Choices:
Ōsaka Prefecture
Niigata Prefecture
Fukuoka Prefecture
Nagano Prefecture
Chiba Prefecture
Okinawa Prefecture
Fukushima Prefecture
Kanagawa Prefecture
Saitama Prefecture
Miyagi Prefecture
Program:
function: Find
inputs: Niigata Prefecture
function: Relate
dependencies: 0
inputs: shares border with
forward
function: FilterConcept
dependencies: 1
inputs: prefecture of Japan
function: SelectAmong
dependencies: 2
inputs: area
smallest
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "prefecture of Japan" . ?e_1 <shares_border_with> ?e . ?e_1 <pred:name> "Niigata Prefecture" .  ?e <area> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Answer: Nagano Prefecture