Question: When did record producer Paul Simon marry Carrie Fisher?
Choices: 2001-12-11
1965-09-18
2005-11-08
1816-12-11
1989-02-05
1619
1967
2006-10-19
1923-07-06
1983-08-16
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Paul Simon" . ?e_1 <occupation> ?e_3 . ?e_3 <pred:name> "record producer" . ?e_2 <pred:name> "Carrie Fisher" . ?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: record producer
function: Relate
dependencies: 0
inputs: occupation
backward
function: Find
inputs: Paul Simon
function: And
dependencies: 1
2
function: Find
inputs: Carrie Fisher
function: QueryRelationQualifier
dependencies: 3
4
inputs: spouse
start time
Answer: 1983-08-16