Question: When did Varna become the twinned administrative body of Rostock?
Choices: 1982-07-04
1827-03-04
1857-05-10
1962
1992-08-03
1945-04-12
1966-01-01
1973-09-18
1991-09-05
2016-02-19
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Varna" . ?e_2 <pred:name> "Rostock" . ?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: Varna
function: Find
inputs: Rostock
function: QueryRelationQualifier
dependencies: 0
1
inputs: twinned administrative body
start time
Answer: 1966-01-01