Question: Of the countries headed by a prime minister, which has the largest area?
Choices: Cook Islands
Greenland
post-grunge
Jamaica
Wales
Faroe Islands
Scotland
Debbie Gibson
Netherlands
Northern Dancer
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "country" . ?e <office_held_by_head_of_government> ?e_1 . ?e_1 <pred:name> "prime minister" .  ?e <area> ?pv . ?pv <pred:value> ?v .  } ORDER BY DESC(?v) LIMIT 1
Program:
function: Find
inputs: prime minister
function: Relate
dependencies: 0
inputs: office held by head of government
backward
function: FilterConcept
dependencies: 1
inputs: country
function: SelectAmong
dependencies: 2
inputs: area
largest
Answer: Netherlands