Question: The person born as Lewis Brian Hopkin Jones is famously associated with how many keyboard instruments?
Choices: 0
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SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "keyboard instrument" . ?e <famous_people> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "human" . ?e_1 <birth_name> ?pv . ?pv <pred:value> "Lewis Brian Hopkin Jones" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: birth name
Lewis Brian Hopkin Jones
function: FilterConcept
dependencies: 1
inputs: human
function: Relate
dependencies: 2
inputs: famous people
backward
function: FilterConcept
dependencies: 3
inputs: keyboard instrument
function: Count
dependencies: 4
Answer: 1