Question: Since when has Berlin's country been the Kingdom of Prussia?
Choices: 1990
1946-10-01
1701-01-18
2004-07-30
2012-10-24
2002-09-10
2015-08-03
1956-10-07
1999-04-12
1993-01-13
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Berlin" . ?e_2 <pred:name> "Kingdom of Prussia" . ?e_1 <country> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <country> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Berlin
function: Find
inputs: Kingdom of Prussia
function: QueryRelationQualifier
dependencies: 0
1
inputs: country
start time
Answer: 1701-01-18