Question: When did Valletta receive a UNESCO World Heritage Site designation?
Choices: 1977-02-08
2011-06-24
1772
1980-01-01
1814-01-01
1788-04-28
1917-10-25
1871-05-07
2002-01-21
1918
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Valletta" . ?e_2 <pred:name> "UNESCO World Heritage Site" . ?e_1 <heritage_designation> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <heritage_designation> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Valletta
function: Find
inputs: UNESCO World Heritage Site
function: QueryRelationQualifier
dependencies: 0
1
inputs: heritage designation
start time
Answer: 1980-01-01