Question: When were the Poles Poland's ethnic group?
Choices:
1771-01-01
2002-02-27
2003-09-21
2004-08-05
1772-12-01
2011
2017-03-31
1811-01-01
1863
2011-06-22
Answer: 2011
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Poland" . ?e_2 <pred:name> "Poles" . ?e_1 <ethnic_group> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <ethnic_group> ; <pred:fact_t> ?e_2 ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Poland
function: Find
inputs: Poles
function: QueryRelationQualifier
dependencies: 0
1
inputs: ethnic group
point in time