Question: When did Laura Dern marry Ben Harper (the one whose genre is blues rock)?
Choices:
2015-04-10
1913-04-08
1961-12-09
1995-04-21
2011-01-03
1994-04-15
2007-01-05
2005-01-01
1977-01-01
2010-05-15
Answer: 2005-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Laura Dern" . ?e_2 <pred:name> "Ben Harper" . ?e_2 <genre> ?e_3 . ?e_3 <pred:name> "blues rock" . ?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: Laura Dern
function: Find
inputs: blues rock
function: Relate
dependencies: 1
inputs: genre
backward
function: Find
inputs: Ben Harper
function: And
dependencies: 2
3
function: QueryRelationQualifier
dependencies: 0
4
inputs: spouse
start time