Question: What is the start date that Frankfurt becomes the twinned administrative body of Lyon?
Choices: 2005-07-29
1962-02-19
2007-10-25
1960-10-15
2013-01-21
2013-04-01
1812-01-01
1996-07-05
1945-10-24
1998-10-07
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Frankfurt" . ?e_2 <pred:name> "Lyon" . ?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: Lyon
function: QueryRelationQualifier
dependencies: 0
1
inputs: twinned administrative body
start time
Answer: 1960-10-15