Question: When did  Gabriel Byrne become Ellen Barkin's spouse?
Choices:
1994-06-06
1982-10-26
1884-01-01
2012-07-24
1939
1907
1928-01-01
1801
1988-09-18
1639
Answer: 1988-09-18
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Gabriel Byrne" . ?e_2 <pred:name> "Ellen Barkin" . ?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: Gabriel Byrne
function: Find
inputs: Ellen Barkin
function: QueryRelationQualifier
dependencies: 0
1
inputs: spouse
start time