Question: What is the number of Massachusetts counties that are in the country United States of America that have an area equal to 4200 square mile
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Answer: 0
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of Massachusetts" . ?e <country> ?e_1 . ?e_1 <pred:name> "United States of America" .  ?e <area> ?pv . ?pv <pred:unit> "square mile" . ?pv <pred:value> "4200"^^xsd:double .  }
Program:
function: Find
inputs: United States of America
function: Relate
dependencies: 0
inputs: country
backward
function: FilterConcept
dependencies: 1
inputs: county of Massachusetts
function: FindAll
function: FilterNum
dependencies: 3
inputs: area
4200 square mile
=
function: FilterConcept
dependencies: 4
inputs: county of Massachusetts
function: And
dependencies: 2
5
function: Count
dependencies: 6