Question: When did French become the official language of France?
Choices:
1964-04-14
1905-03-17
1795
2008-10-30
2006-06-05
1992-01-24
1992-06-25
1993-09-10
1992-02-14
1901-01-22
Answer: 1992-06-25
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "France" . ?e_2 <pred:name> "French" . ?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: France
function: Find
inputs: French
function: QueryRelationQualifier
dependencies: 0
1
inputs: official language
start time