Question: What is the number of heavy metal renditions whose origination date is before 1990?
Choices: 2
3
4
5
6
7
8
9
10
11
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "heavy metal" . ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1990 ) .  }
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: inception
1990
<
function: FilterConcept
dependencies: 1
inputs: heavy metal
function: Count
dependencies: 2
Answer: 10