Question: When did  Erfurt become the twinned administrative body of Lille?
Choices:
1711
1974-06-05
1993-09-10
1701-01-17
1959-12-03
1988
1997-12-14
794
1881
1788-04-28
Answer: 1988
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Erfurt" . ?e_2 <pred:name> "Lille" . ?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: Lille
function: QueryRelationQualifier
dependencies: 0
1
inputs: twinned administrative body
start time