Question: When was Koblenz designated as the twinned administrative body of Maastricht?
Choices:
1986-06-09
1812-04-30
1839-01-24
2001-09-11
1971-01-01
1949-05-11
2008-01-22
1981-01-01
1992-02-01
1960-02-29
Program:
function: Find
inputs: Koblenz
function: Find
inputs: Maastricht
function: QueryRelationQualifier
dependencies: 0
1
inputs: twinned administrative body
start time
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Koblenz" . ?e_2 <pred:name> "Maastricht" . ?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 .  }
Answer: 1981-01-01