Question: How many types of house music started in the Kingdom of Bulgaria and the Russian Empire?
Choices:
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Answer: 0
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "house music" . ?e <country_of_origin> ?e_1 . ?e_1 <pred:name> "Kingdom of Bulgaria" .  ?e <country_of_origin> ?e_2 . ?e_2 <pred:name> "Russian Empire" .  }
Program:
function: Find
inputs: Kingdom of Bulgaria
function: Relate
dependencies: 0
inputs: country of origin
backward
function: FilterConcept
dependencies: 1
inputs: house music
function: Find
inputs: Russian Empire
function: Relate
dependencies: 3
inputs: country of origin
backward
function: FilterConcept
dependencies: 4
inputs: house music
function: And
dependencies: 2
5
function: Count
dependencies: 6