Question: When did film director Norman Foster become Claudette Colbert's husband?
Choices:
1976-07-17
1928-01-01
1929-03-04
1939-10-28
1946-12-31
1785-01-11
1980-02-14
1973-11-26
2009-12-01
1492
Answer: 1928-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Norman Foster" . ?e_1 <occupation> ?e_3 . ?e_3 <pred:name> "film director" . ?e_2 <pred:name> "Claudette Colbert" . ?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: film director
function: Relate
dependencies: 0
inputs: occupation
backward
function: Find
inputs: Norman Foster
function: And
dependencies: 1
2
function: Find
inputs: Claudette Colbert
function: QueryRelationQualifier
dependencies: 3
4
inputs: spouse
start time