Question: Since when is Brandenburg (the one that contains the administrative division Potsdam) the twinned administrative body of Saitama Prefecture ?
Choices: 1896-12-01
2000-10-26
1847-11-27
2004-05-27
1561
1999-08-01
1965-05-12
553
1945-11-13
2017-06-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Brandenburg" . ?e_1 <contains_administrative_territorial_entity> ?e_3 . ?e_3 <pred:name> "Potsdam" . ?e_2 <pred:name> "Saitama Prefecture" . ?e_1 <twinned_administrative_body> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <twinned_administrative_body> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Potsdam
function: Relate
dependencies: 0
inputs: contains administrative territorial entity
backward
function: Find
inputs: Brandenburg
function: And
dependencies: 1
2
function: Find
inputs: Saitama Prefecture
function: QueryRelationQualifier
dependencies: 3
4
inputs: twinned administrative body
start time
Answer: 1999-08-01