Question: Which river has a discharge equal to 2478 cubic metre per second and a basin country of the United States of America?
Choices: Amazon
Mississippi River
River Thames
Hudson River
Rhine
Manisha Koirala
Missouri River
Ohio River
Columbia River
Danube
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "river" . ?e <discharge> ?pv . ?pv <pred:unit> "cubic metre per second" . ?pv <pred:value> "2478"^^xsd:double . ?e <basin_country> ?e_1 . ?e_1 <pred:name> "United States of America" .  }
Program:
function: FindAll
function: FilterNum
dependencies: 0
inputs: discharge
2478 cubic metre per second
=
function: FilterConcept
dependencies: 1
inputs: river
function: Find
inputs: United States of America
function: Relate
dependencies: 3
inputs: basin country
backward
function: FilterConcept
dependencies: 4
inputs: river
function: And
dependencies: 2
5
function: What
dependencies: 6
Answer: Missouri River