Question: When did Douglas Fairbanks marry Mary Pickford?
Choices: 1301
1423
1889-01-01
1946-11-01
1956-07-01
2002
1991-09-06
1920-03-28
2014-01-01
1996-09-17
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Douglas Fairbanks" . ?e_2 <pred:name> "Mary Pickford" . ?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: Douglas Fairbanks
function: Find
inputs: Mary Pickford
function: QueryRelationQualifier
dependencies: 0
1
inputs: spouse
start time
Answer: 1920-03-28