Question: How many TV stations were founded prior to 1991?
Choices:
17
18
19
20
21
22
23
24
25
26
Answer: 24
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 < 1991 ) .  }
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: inception
1991
<
function: FilterConcept
dependencies: 1
inputs: television station
function: Count
dependencies: 2