Question: When did  Sioux Falls become the twinned administrative body of Potsdam
Choices:
1960-08-20
2002-01-10
2006-11-07
2008-01-01
1947-08-15
1990-01-01
1846-07-09
1945-10-30
1997-06-06
1564
Program:
function: Find
inputs: Sioux Falls
function: Find
inputs: Potsdam
function: QueryRelationQualifier
dependencies: 0
1
inputs: twinned administrative body
start time
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Sioux Falls" . ?e_2 <pred:name> "Potsdam" . ?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: 1990-01-01