Question: What is the start time of Kinshasa's official use of the language of Dutch, which is also used by Delft University of Technology?
Choices: 1903
1999-03-12
1984-09-21
2011-02-15
1898-07-16
1993-07-01
1852
2009-09-27
1920
2006-10-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Kinshasa" . ?e_2 <pred:name> "Dutch" . ?e_3 <language_used> ?e_2 . ?e_3 <pred:name> "Delft University of Technology" . ?e_1 <official_language> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <official_language> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Kinshasa
function: Find
inputs: Delft University of Technology
function: Relate
dependencies: 1
inputs: language used
forward
function: Find
inputs: Dutch
function: And
dependencies: 2
3
function: QueryRelationQualifier
dependencies: 0
4
inputs: official language
start time
Answer: 1920