Question: When did an unitary state, founded by Second Polish  Republic, YPCP in short, cease to exist ?
Choices:
1922-03-22
2011-03-20
1922-01-01
1938
2014-08-24
1991-08-24
1954-08-20
1918-03-02
1954-02-19
1991-01-01
Answer: 1991-08-24
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "unitary state" . ?e <founded_by> ?e_1 . ?e_1 <pred:name> "Second Polish Republic" .  ?e <short_name> ?pv . ?pv <pred:value> "УРСР" . [ <pred:fact_h> ?e ; <pred:fact_r> <short_name> ; <pred:fact_t> ?pv ] <end_time> ?qpv .  }
Program:
function: Find
inputs: Second Polish Republic
function: Relate
dependencies: 0
inputs: founded by
backward
function: FilterConcept
dependencies: 1
inputs: unitary state
function: QueryAttrQualifier
dependencies: 2
inputs: short name
УРСР
end time