Question: How many classes of instruments are associated with Trey Anastasio?
Choices:
0
1
2
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9
Answer: 2
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "class of instruments" . ?e <famous_people> ?e_1 . ?e_1 <pred:name> "Trey Anastasio" .   }
Program:
function: Find
inputs: Trey Anastasio
function: Relate
dependencies: 0
inputs: famous people
backward
function: FilterConcept
dependencies: 1
inputs: class of instruments
function: Count
dependencies: 2