Question: When did the economist Benjamin Franklin receive the Copley Medal?
Choices:
1753-01-01
1430
1998-10-21
2018-03-20
1965-04-05
2002-09-18
2011-01-01
2012-02-20
1999-12-22
2006-07-01
Answer: 1753-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Benjamin Franklin" . ?e_1 <occupation> ?e_3 . ?e_3 <pred:name> "economist" . ?e_2 <pred:name> "Copley Medal" . ?e_1 <award_received> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <award_received> ; <pred:fact_t> ?e_2 ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: economist
function: Relate
dependencies: 0
inputs: occupation
backward
function: Find
inputs: Benjamin Franklin
function: And
dependencies: 1
2
function: Find
inputs: Copley Medal
function: QueryRelationQualifier
dependencies: 3
4
inputs: award received
point in time