Question: Prior to 1952, what number of TV stations were in existence?
Choices:
1
2
3
4
5
6
7
8
9
10
Answer: 5
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "television station" . ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1952 ) .  }
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: inception
1952
<
function: FilterConcept
dependencies: 1
inputs: television station
function: Count
dependencies: 2