Question: Robert Taylor (who died of natural causes) is Barbara Stanwyck's spouse, tell me the start time
Choices: 1939-01-01
1942-11-27
1487-01-01
1854-05-01
1908-04-05
2003-02-05
1996-01-21
1990-08-14
1999-03-28
1991-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Robert Taylor" . ?e_1 <manner_of_death> ?e_3 . ?e_3 <pred:name> "natural causes" . ?e_2 <pred:name> "Barbara Stanwyck" . ?e_1 <spouse> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <spouse> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: natural causes
function: Relate
dependencies: 0
inputs: manner of death
backward
function: Find
inputs: Robert Taylor
function: And
dependencies: 1
2
function: Find
inputs: Barbara Stanwyck
function: QueryRelationQualifier
dependencies: 3
4
inputs: spouse
start time
Answer: 1939-01-01