Question: Of all rivers with over 2700 cubic metres a second discharge rate, which has the lowest area of drainage basin?
Choices: Amazon
Missouri River
Rhine
Mississippi River
Death Row Records
Columbia River
Hudson River
Ohio River
Danube
River Thames
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 > "2700"^^xsd:double ) . ?e <watershed_area> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: FindAll
function: FilterNum
dependencies: 0
inputs: discharge
2700 cubic metre per second
>
function: FilterConcept
dependencies: 1
inputs: river
function: SelectAmong
dependencies: 2
inputs: watershed area
smallest
Answer: Ohio River