Question: When was Joan Crawford (the one whose work period (start) is 1925) married to Franchot Tone until?
Choices: 2011-11-27
1944-08-25
1991-09-06
1976-07-02
1954-08-01
1995-12-31
1741-06-19
1939-01-01
1958-01-01
2003-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Joan Crawford" . ?e_1 <work_period_(start)> ?pv . ?pv <pred:year> 1925 . ?e_2 <pred:name> "Franchot Tone" . ?e_1 <spouse> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <spouse> ; <pred:fact_t> ?e_2 ] <end_time> ?qpv .  }
Program:
function: Find
inputs: Joan Crawford
function: FilterYear
dependencies: 0
inputs: work period (start)
1925
=
function: Find
inputs: Franchot Tone
function: QueryRelationQualifier
dependencies: 1
2
inputs: spouse
end time
Answer: 1939-01-01