Question: How many estates experienced the event whose IAB code is 121?
Choices:
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Answer: 4
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "estate in land" . ?e <significant_event> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "activity" . ?e_1 <IAB_code> ?pv . ?pv <pred:value> "121" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: IAB code
121
function: FilterConcept
dependencies: 1
inputs: activity
function: Relate
dependencies: 2
inputs: significant event
backward
function: FilterConcept
dependencies: 3
inputs: estate in land
function: Count
dependencies: 4