Question: Which has the smallest area among the historical countries established after 1920?
Choices: Second French Empire
Spanish Empire
Swedish Empire
Union of South Africa
Confederate States of America
Crown of Aragón
German Democratic Republic
Kingdom of Portugal
Abyssinia
North Vietnam
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "historical country" . ?e <inception> ?pv_1 . ?pv_1 <pred:year> ?v_1 . FILTER ( ?v_1 > 1920 ) . ?e <area> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: inception
1920
>
function: FilterConcept
dependencies: 1
inputs: historical country
function: SelectAmong
dependencies: 2
inputs: area
smallest
Answer: North Vietnam