Question: When did  Australia (the one whose GS1 country code is 938) start using the Australian dollar as their currency?
Choices:
1808
1984
1992-03-03
1993-11-01
1906
1789-03-04
1702
1974-07-30
1966-02-14
1720-01-01
Answer: 1966-02-14
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Australia" . ?e_1 <GS1_country_code> ?pv . ?pv <pred:value> "938" . ?e_2 <pred:name> "Australian dollar" . ?e_1 <currency> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <currency> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Australia
function: FilterStr
dependencies: 0
inputs: GS1 country code
938
function: Find
inputs: Australian dollar
function: QueryRelationQualifier
dependencies: 1
2
inputs: currency
start time