Question: When was a sovereign state, whose territory was claimed by Kiev since 7th May 1920, established ?
Choices:
1879-11-10
1834-01-01
1918-11-16
1012
1826-01-01
1903-06-16
1996-10-07
1843-01-01
1991-02-08
1954-12-15
Answer: 1918-11-16
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "sovereign state" . ?e_1 <territory_claimed_by> ?e . ?e_1 <pred:name> "Kiev" .  [ <pred:fact_h> ?e_1 ; <pred:fact_r> <territory_claimed_by> ; <pred:fact_t> ?e ] <start_time> ?qpv . ?qpv <pred:date> "1920-05-07"^^xsd:date . ?e <inception> ?pv .  }
Program:
function: Find
inputs: Kiev
function: Relate
dependencies: 0
inputs: territory claimed by
forward
function: QFilterDate
dependencies: 1
inputs: start time
1920-05-07
=
function: FilterConcept
dependencies: 2
inputs: sovereign state
function: QueryAttr
dependencies: 3
inputs: inception