Question: What is the number of heavy metal performers with either an inception time of 1978-01-01 or that originated in the U.S.A.?
Choices:
5
6
7
8
9
10
11
12
13
14
Program:
function: Find
inputs: United States of America
function: Relate
dependencies: 0
inputs: country of origin
backward
function: FilterConcept
dependencies: 1
inputs: heavy metal
function: FindAll
function: FilterDate
dependencies: 3
inputs: inception
1978-01-01
=
function: FilterConcept
dependencies: 4
inputs: heavy metal
function: Or
dependencies: 2
5
function: Count
dependencies: 6
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "heavy metal" .  { ?e <country_of_origin> ?e_1 . ?e_1 <pred:name> "United States of America" .  } UNION { ?e <inception> ?pv . ?pv <pred:date> "1978-01-01"^^xsd:date .  } }
Answer: 8