Question: How many saxophones were used by Robert Bolt and are associated with the famous Sonny Rollins?
Choices:
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Answer: 0
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "saxophone" . ?e_1 <instrument> ?e . ?e_1 <pred:name> "Robert Bolt" .  ?e <famous_people> ?e_2 . ?e_2 <pred:name> "Sonny Rollins" .  }
Program:
function: Find
inputs: Robert Bolt
function: Relate
dependencies: 0
inputs: instrument
forward
function: FilterConcept
dependencies: 1
inputs: saxophone
function: Find
inputs: Sonny Rollins
function: Relate
dependencies: 3
inputs: famous people
backward
function: FilterConcept
dependencies: 4
inputs: saxophone
function: And
dependencies: 2
5
function: Count
dependencies: 6