Question: What number of singles were published after 1987?
Choices: 12
13
14
15
16
17
18
19
20
21
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "single" . ?e <publication_date> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1987 ) .  }
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: publication date
1987
>
function: FilterConcept
dependencies: 1
inputs: single
function: Count
dependencies: 2
Answer: 18