Question: When did Switzerland become Zürich's country?
Choices: 1882-01-01
1998-05-01
2017-02-22
1879-03-14
2013-01-21
1660-05-08
1974-09-10
1894-01-01
1972-12-21
1815-08-07
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Zürich" . ?e_2 <pred:name> "Switzerland" . ?e_1 <country> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <country> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Zürich
function: Find
inputs: Switzerland
function: QueryRelationQualifier
dependencies: 0
1
inputs: country
start time
Answer: 1815-08-07