Question: When did Dean Martin who died from natural causes receive a Grammy Lifetime Achievement Award?
Choices:
1991-12-12
1624
2002-03-24
2003
2009-01-01
2018-08-16
1562
2000-08-01
1957-03-27
1786-01-01
Answer: 2009-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Dean Martin" . ?e_1 <manner_of_death> ?e_3 . ?e_3 <pred:name> "natural causes" . ?e_2 <pred:name> "Grammy Lifetime Achievement Award" . ?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: natural causes
function: Relate
dependencies: 0
inputs: manner of death
backward
function: Find
inputs: Dean Martin
function: And
dependencies: 1
2
function: Find
inputs: Grammy Lifetime Achievement Award
function: QueryRelationQualifier
dependencies: 3
4
inputs: award received
point in time