Question: When did the person who became David Beckham's wife in 1999 begin her career?
Choices: 1850
1984
1907
1994
2017
1933
1700
1918
2000
1990
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <spouse> ?e_1 . ?e_1 <pred:name> "David Beckham" .  [ <pred:fact_h> ?e ; <pred:fact_r> <spouse> ; <pred:fact_t> ?e_1 ] <start_time> ?qpv . ?qpv <pred:year> 1999 . ?e <work_period_(start)> ?pv .  }
Program:
function: Find
inputs: David Beckham
function: Relate
dependencies: 0
inputs: spouse
backward
function: QFilterYear
dependencies: 1
inputs: start time
1999
=
function: FilterConcept
dependencies: 2
inputs: human
function: QueryAttr
dependencies: 3
inputs: work period (start)
Answer: 1994