Question: Until what date was Dutch (pronunciation audio Nl-Nederlands.ogg) the official language of Kinshasa?
Choices: 1940-10-31
1960
2017-01-19
1988
1978
1940-05-10
1945-03-18
1829-03-04
1936-02-10
1656
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Kinshasa" . ?e_2 <pred:name> "Dutch" . ?e_2 <pronunciation_audio> ?pv . ?pv <pred:value> "Nl-Nederlands.ogg" . ?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: Kinshasa
function: Find
inputs: Dutch
function: FilterStr
dependencies: 1
inputs: pronunciation audio
Nl-Nederlands.ogg
function: QueryRelationQualifier
dependencies: 0
2
inputs: official language
end time
Answer: 1960