Question: When did Erfurt start being the twinned administrative body of Vilnius?
Choices: 1979-02-11
1976-01-30
2017-02-28
1985-08-16
1777-05-22
1857-03-04
2000
1972
1991-10-03
1999-09-14
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Erfurt" . ?e_2 <pred:name> "Vilnius" . ?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: Erfurt
function: Find
inputs: Vilnius
function: QueryRelationQualifier
dependencies: 0
1
inputs: twinned administrative body
start time
Answer: 1972