Question: How many airlines were established prior to 1927?
Choices:
2
3
4
5
6
7
8
9
10
11
Answer: 5
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "airline" . ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1927 ) .  }
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: inception
1927
<
function: FilterConcept
dependencies: 1
inputs: airline
function: Count
dependencies: 2