Question: Since when is Columbus, the twinned administrative body of Seville, also the twinned administrative body of Genoa?
Choices:
1999-04-29
1854-01-01
-343
2009-04-01
1985-11-04
1849-06-05
1997-06-06
1987-03-25
1993-04-06
1990-11-20
Program:
function: Find
inputs: Seville
function: Relate
dependencies: 0
inputs: twinned administrative body
backward
function: Find
inputs: Columbus
function: And
dependencies: 1
2
function: Find
inputs: Genoa
function: QueryRelationQualifier
dependencies: 3
4
inputs: twinned administrative body
start time
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Columbus" . ?e_1 <twinned_administrative_body> ?e_3 . ?e_3 <pred:name> "Seville" . ?e_2 <pred:name> "Genoa" . ?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: 1987-03-25