Question: Of the rivers whose discharge is greater than 210 cubic metre per second which has the largest watershed area?
Choices: Hudson River
Rhine
Ohio River
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Mississippi River
River Thames
Missouri River
Columbia River
Amazon
Danube
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 > "210"^^xsd:double ) . ?e <watershed_area> ?pv . ?pv <pred:value> ?v .  } ORDER BY DESC(?v) LIMIT 1
Program:
function: FindAll
function: FilterNum
dependencies: 0
inputs: discharge
210 cubic metre per second
>
function: FilterConcept
dependencies: 1
inputs: river
function: SelectAmong
dependencies: 2
inputs: watershed area
largest
Answer: Amazon