Question: When did Metz become a part of the German Empire (the one that is the country of Karlsruhe)?
Choices: 1997-06-06
1910-10-05
1945-09-19
2004-08-05
1955-10-26
1962
1871-01-18
1981-10-22
1936
1988
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Metz" . ?e_2 <pred:name> "German Empire" . ?e_3 <country> ?e_2 . ?e_3 <pred:name> "Karlsruhe" . ?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: Metz
function: Find
inputs: Karlsruhe
function: Relate
dependencies: 1
inputs: country
forward
function: Find
inputs: German Empire
function: And
dependencies: 2
3
function: QueryRelationQualifier
dependencies: 0
4
inputs: country
start time
Answer: 1871-01-18