Question: How many hip hop music pieces come from USA and were made before 1988?
Choices:
0
1
2
3
4
5
6
7
8
9
Program:
function: Find
inputs: United States of America
function: Relate
dependencies: 0
inputs: country of origin
backward
function: FilterConcept
dependencies: 1
inputs: hip hop music
function: FindAll
function: FilterYear
dependencies: 3
inputs: inception
1988
<
function: FilterConcept
dependencies: 4
inputs: hip hop music
function: And
dependencies: 2
5
function: Count
dependencies: 6
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "hip hop music" . ?e <country_of_origin> ?e_1 . ?e_1 <pred:name> "United States of America" .  ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1988 ) .  }
Answer: 5