Question: How many keyboard instruments originate from a sovereign state whose nominal GDP was 66,824,447,334.2003 USD in 2016 ?
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Answer: 0
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "keyboard instrument" . ?e <country> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "sovereign state" . ?e_1 <nominal_GDP> ?pv . ?pv <pred:unit> "United States dollar" . ?pv <pred:value> "66824447334.2003"^^xsd:double . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <nominal_GDP> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv . ?qpv <pred:year> 2016 .   }
Program:
function: FindAll
function: FilterNum
dependencies: 0
inputs: nominal GDP
66824447334.2003 United States dollar
=
function: QFilterYear
dependencies: 1
inputs: point in time
2016
=
function: FilterConcept
dependencies: 2
inputs: sovereign state
function: Relate
dependencies: 3
inputs: country
backward
function: FilterConcept
dependencies: 4
inputs: keyboard instrument
function: Count
dependencies: 5