Question: How many Christianity entities are out there whose Library of Congress Classification is BR1644-1644.7 and whose OSM tag or key is Tag:denomination=united_church_of_christ     Library of Congress Classification is BR1644-1644.7
Choices:
0
1
2
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4
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9
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Library of Congress Classification
BR1644-1644.7
function: FilterConcept
dependencies: 1
inputs: Christianity
function: FindAll
function: FilterStr
dependencies: 3
inputs: OSM tag or key
Tag:denomination=united_church_of_christ
function: FilterConcept
dependencies: 4
inputs: Christianity
function: And
dependencies: 2
5
function: Count
dependencies: 6
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "Christianity" . ?e <Library_of_Congress_Classification> ?pv . ?pv <pred:value> "BR1644-1644.7" . ?e <OSM_tag_or_key> ?pv_1 . ?pv_1 <pred:value> "Tag:denomination=united_church_of_christ" .  }
Answer: 0