Question: Among the sovereign states that export to Italy, which has the lowest GDP (PPP)?
Choices: Tuvalu
Cambodia
Kiribati
Socialist Federal Republic of Yugoslavia
Madagascar
South Sudan
Weimar Republic
Switzerland
Russian Soviet Federative Socialist Republic
Algeria
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "sovereign state" . ?e <exported_to> ?e_1 . ?e_1 <pred:name> "Italy" .  ?e <GDP_(PPP)> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: Find
inputs: Italy
function: Relate
dependencies: 0
inputs: exported to
backward
function: FilterConcept
dependencies: 1
inputs: sovereign state
function: SelectAmong
dependencies: 2
inputs: GDP (PPP)
smallest
Answer: Tuvalu