Question: Was the historical country whose native label is Việt Nam Dân Chủ Cộng Hòa founded on 1830-10-01?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "historical country" . ?e <native_label> ?pv_1 . ?pv_1 <pred:value> "Việt Nam Dân Chủ Cộng Hòa" . ?e <inception> ?pv . ?pv <pred:date> "1830-10-01"^^xsd:date .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: native label
Việt Nam Dân Chủ Cộng Hòa
function: FilterConcept
dependencies: 1
inputs: historical country
function: QueryAttr
dependencies: 2
inputs: inception
function: VerifyDate
dependencies: 3
inputs: 1830-10-01
=
Answer: no