Question: How many kinds of pop music were invented prior to 1980?
Choices: 4
5
6
7
8
9
10
11
12
13
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "pop music" . ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1980 ) .  }
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: inception
1980
<
function: FilterConcept
dependencies: 1
inputs: pop music
function: Count
dependencies: 2
Answer: 8