Question: How many stringed instruments are famously played by guitarist John Paul Jones or are played by a harpsichordist?
Choices: 3
4
5
6
7
8
9
10
11
12
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "string instrument" .  { ?e <famous_people> ?e_1 . ?e_1 <pred:name> "John Paul Jones" . ?e_1 <instrument> ?e_2 . ?e_2 <pred:name> "guitar" .  } UNION { ?e_1 <uses> ?e . ?e_1 <pred:name> "harpsichordist" .  } }
Program:
function: Find
inputs: guitar
function: Relate
dependencies: 0
inputs: instrument
backward
function: Find
inputs: John Paul Jones
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: famous people
backward
function: FilterConcept
dependencies: 4
inputs: string instrument
function: Find
inputs: harpsichordist
function: Relate
dependencies: 6
inputs: uses
forward
function: FilterConcept
dependencies: 7
inputs: string instrument
function: Or
dependencies: 5
8
function: Count
dependencies: 9
Answer: 3