Question: How many mechanical waves are the opposite of vocal music or were created pre-1967?
Choices:
28
29
30
31
32
33
34
35
36
37
Program:
function: Find
inputs: vocal music
function: Relate
dependencies: 0
inputs: opposite of
forward
function: FilterConcept
dependencies: 1
inputs: mechanical wave
function: FindAll
function: FilterYear
dependencies: 3
inputs: inception
1967
<
function: FilterConcept
dependencies: 4
inputs: mechanical wave
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> "mechanical wave" .  { ?e_1 <opposite_of> ?e . ?e_1 <pred:name> "vocal music" .  } UNION { ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1967 ) .  } }
Answer: 34