Question: When did  Nikola Tesla become a citizen of the Austrian Empire?
Choices:
1940-08-03
1856-07-10
1977-01-23
2017-07-01
1793-03-04
1984-11-26
2004-05-27
1944-07-27
2009-12-21
1962
Answer: 1856-07-10
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Nikola Tesla" . ?e_2 <pred:name> "Austrian Empire" . ?e_1 <country_of_citizenship> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <country_of_citizenship> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Nikola Tesla
function: Find
inputs: Austrian Empire
function: QueryRelationQualifier
dependencies: 0
1
inputs: country of citizenship
start time