Question: Which has the largest population among the geographic regions that are a part of the Americas?
Choices: Southern California
Transylvania
Atlantic Canada
Antarctica
Caribbean
Pacific Ocean
Piedmont
North America
Lake District
South America
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "geographic region" . ?e_1 <has_part> ?e . ?e_1 <pred:name> "Americas" .  ?e <population> ?pv . ?pv <pred:value> ?v .  } ORDER BY DESC(?v) LIMIT 1
Program:
function: Find
inputs: Americas
function: Relate
dependencies: 0
inputs: has part
forward
function: FilterConcept
dependencies: 1
inputs: geographic region
function: SelectAmong
dependencies: 2
inputs: population
largest
Answer: North America