Question: When did soft rock artist Amy Grant marry Vince Gill?
Choices:
1949-12-31
2005-08-17
1987-03-23
2000-03-10
2012-02-24
1861-07-02
2016-01-03
1870
2009-12-04
1988-05-04
Program:
function: Find
inputs: soft rock
function: Relate
dependencies: 0
inputs: famous people
forward
function: Find
inputs: Amy Grant
function: And
dependencies: 1
2
function: Find
inputs: Vince Gill
function: QueryRelationQualifier
dependencies: 3
4
inputs: spouse
start time
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Amy Grant" . ?e_3 <famous_people> ?e_1 . ?e_3 <pred:name> "soft rock" . ?e_2 <pred:name> "Vince Gill" . ?e_1 <spouse> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <spouse> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Answer: 2000-03-10