Question: How many jobs using the tin whistle are classified by ISCO occupation code 2453?
Choices:
0
1
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9
Program:
function: Find
inputs: tin whistle
function: Relate
dependencies: 0
inputs: used by
forward
function: FilterConcept
dependencies: 1
inputs: profession
function: FindAll
function: FilterStr
dependencies: 3
inputs: ISCO occupation code
2453
function: FilterConcept
dependencies: 4
inputs: profession
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> "profession" . ?e_1 <used_by> ?e . ?e_1 <pred:name> "tin whistle" .  ?e <ISCO_occupation_code> ?pv . ?pv <pred:value> "2453" .  }
Answer: 0