Question: Tell me the number of rivers that is the tributary of the sea that you can find in or near Sunderland.
Choices:
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Answer: 2
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "river" . ?e_1 <tributary> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "sea" . ?e_2 <located_in_or_next_to_body_of_water> ?e_1 . ?e_2 <pred:name> "Sunderland" .   }
Program:
function: Find
inputs: Sunderland
function: Relate
dependencies: 0
inputs: located in or next to body of water
forward
function: FilterConcept
dependencies: 1
inputs: sea
function: Relate
dependencies: 2
inputs: tributary
forward
function: FilterConcept
dependencies: 3
inputs: river
function: Count
dependencies: 4