Question: Of the rivers that are less than 2200 kilometers long, which has the shortest length?
Choices: Hudson River
Columbia River
River Thames
Danube
Arthur Christmas
Mississippi River
Ohio River
Rhine
Missouri River
Amazon
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "river" . ?e <length> ?pv_1 . ?pv_1 <pred:unit> "kilometre" . ?pv_1 <pred:value> ?v_1 . FILTER ( ?v_1 < "2200"^^xsd:double ) . ?e <length> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: FindAll
function: FilterNum
dependencies: 0
inputs: length
2200 kilometre
<
function: FilterConcept
dependencies: 1
inputs: river
function: SelectAmong
dependencies: 2
inputs: length
smallest
Answer: River Thames