Question: How many string instruments are used by the person with the official website of http://www.roywood.co.uk?
Choices:
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Answer: 2
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "string instrument" . ?e_1 <instrument> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "human" . ?e_1 <official_website> ?pv . ?pv <pred:value> "http://www.roywood.co.uk" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.roywood.co.uk
function: FilterConcept
dependencies: 1
inputs: human
function: Relate
dependencies: 2
inputs: instrument
forward
function: FilterConcept
dependencies: 3
inputs: string instrument
function: Count
dependencies: 4