Question: When was the Empire State Building designated a National Historic Landmark ?
Choices: 2007-12-02
2003-05-20
1992-03-23
1981-05-15
1927
1882-01-01
2009-05-09
1859-07-12
1979-12-31
1986-06-25
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Empire State Building" . ?e_2 <pred:name> "National Historic Landmark" . ?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: Empire State Building
function: Find
inputs: National Historic Landmark
function: QueryRelationQualifier
dependencies: 0
1
inputs: heritage designation
start time
Answer: 1986-06-25