Question: When did Erfurt become a part of the German Empire (the one that is the participant of Gallipoli Campaign)?
Choices: 1622
1992-09-21
1981-10-08
1791-12-29
1966-01-01
1996-12-12
1974-09-10
1664-01-01
1871-01-18
2007-06-08
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Erfurt" . ?e_2 <pred:name> "German Empire" . ?e_3 <participant> ?e_2 . ?e_3 <pred:name> "Gallipoli Campaign" . ?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: Erfurt
function: Find
inputs: Gallipoli Campaign
function: Relate
dependencies: 1
inputs: participant
forward
function: Find
inputs: German Empire
function: And
dependencies: 2
3
function: QueryRelationQualifier
dependencies: 0
4
inputs: country
start time
Answer: 1871-01-18