Question: Is the area of the sovereign state that is the country of Kinshasa starting in the year 1960 less than 50 square versta?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "sovereign state" . ?e_1 <country> ?e . ?e_1 <pred:name> "Kinshasa" .  [ <pred:fact_h> ?e_1 ; <pred:fact_r> <country> ; <pred:fact_t> ?e ] <start_time> ?qpv . ?qpv <pred:year> 1960 . ?e <area> ?pv . ?pv <pred:unit> "square versta" . ?pv <pred:value> ?v . FILTER ( ?v < "50"^^xsd:double ) .  }
Program:
function: Find
inputs: Kinshasa
function: Relate
dependencies: 0
inputs: country
forward
function: QFilterYear
dependencies: 1
inputs: start time
1960
=
function: FilterConcept
dependencies: 2
inputs: sovereign state
function: QueryAttr
dependencies: 3
inputs: area
function: VerifyNum
dependencies: 4
inputs: 50 square versta
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