Question: What number of time zones are in the contiguous United States?
Choices:
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Answer: 4
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "time zone" . ?e_1 <located_in_time_zone> ?e . ?e_1 <pred:name> "contiguous United States" .   }
Program:
function: Find
inputs: contiguous United States
function: Relate
dependencies: 0
inputs: located in time zone
forward
function: FilterConcept
dependencies: 1
inputs: time zone
function: Count
dependencies: 2