Question: When was  Pennsylvania Academy of the Fine Arts designated a National Historic Landmark?
Choices:
1946-10-01
1963-12-24
1873
1909
1919-01-01
1975-05-15
1884-01-01
1817-10-09
1996
1937-01-01
Answer: 1975-05-15
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Pennsylvania Academy of the Fine Arts" . ?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: Pennsylvania Academy of the Fine Arts
function: Find
inputs: National Historic Landmark
function: QueryRelationQualifier
dependencies: 0
1
inputs: heritage designation
start time