Question: How many popular music renditions have a beginning date that is before 1957 and are the instruments used by Charles Mingus Jr.?
Choices:
0
1
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9
Answer: 0
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "popular music" . ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1957 ) . ?e_1 <instrument> ?e . ?e_1 <pred:name> "Charles Mingus Jr." .  }
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: inception
1957
<
function: FilterConcept
dependencies: 1
inputs: popular music
function: Find
inputs: Charles Mingus Jr.
function: Relate
dependencies: 3
inputs: instrument
forward
function: FilterConcept
dependencies: 4
inputs: popular music
function: And
dependencies: 2
5
function: Count
dependencies: 6