Question: How many types of electronic music were established before 1991?
Choices:
7
8
9
10
11
12
13
14
15
16
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: inception
1991
<
function: FilterConcept
dependencies: 1
inputs: electronic music
function: Count
dependencies: 2
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "electronic music" . ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1991 ) .  }
Answer: 15