Question: Of rivers with discharge rates under 5100 cubic metres per second, which is shortest?
Choices: Missouri River
Amazon
Hudson River
Danube
River Thames
Rhine
Democratic Republic of the Congo
Ohio River
Columbia River
Mississippi River
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "river" . ?e <discharge> ?pv_1 . ?pv_1 <pred:unit> "cubic metre per second" . ?pv_1 <pred:value> ?v_1 . FILTER ( ?v_1 < "5100"^^xsd:double ) . ?e <length> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: FindAll
function: FilterNum
dependencies: 0
inputs: discharge
5100 cubic metre per second
<
function: FilterConcept
dependencies: 1
inputs: river
function: SelectAmong
dependencies: 2
inputs: length
smallest
Answer: River Thames