Question: Until when did Union of South Africa use Dutch (originating from Germany) as the official language?
Choices: 1927
1983-05-27
1291
1941-12-05
1800-05-14
2014-09-22
1953-01-01
2016-05-19
2015-11-03
1850-12-31
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Union of South Africa" . ?e_2 <pred:name> "Dutch" . ?e_2 <country> ?e_3 . ?e_3 <pred:name> "Germany" . ?e_1 <official_language> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <official_language> ; <pred:fact_t> ?e_2 ] <end_time> ?qpv .  }
Program:
function: Find
inputs: Union of South Africa
function: Find
inputs: Germany
function: Relate
dependencies: 1
inputs: country
backward
function: Find
inputs: Dutch
function: And
dependencies: 2
3
function: QueryRelationQualifier
dependencies: 0
4
inputs: official language
end time
Answer: 1927