Question: When did Frankfurt become the twin administrative body of Leipzig?
Choices: 1538-02-24
2007
1995-10-25
-277
1992-02-24
1806
1804-04-01
1681-09-30
1990-10-03
1967
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Frankfurt" . ?e_2 <pred:name> "Leipzig" . ?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: Frankfurt
function: Find
inputs: Leipzig
function: QueryRelationQualifier
dependencies: 0
1
inputs: twinned administrative body
start time
Answer: 1990-10-03