Question: When was Frankfurt (Oder)'s country in the German Empire, where Metz is located?
Choices: 2016-01-03
2007-04-13
1995
1978-04-02
2018-07-09
1636
1871-01-18
1853
1787-12-07
1869-03-04
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Frankfurt (Oder)" . ?e_2 <pred:name> "German Empire" . ?e_3 <country> ?e_2 . ?e_3 <pred:name> "Metz" . ?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: Frankfurt (Oder)
function: Find
inputs: Metz
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