Question: For the person that is a cast member of King Arthur with the role name of Bors, when did this person start work?
Choices: 1850
1973
1989
1844
1999
2005
1940
1948-03-18
1890
1979
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <cast_member> ?e . ?e_1 <pred:name> "King Arthur" .  [ <pred:fact_h> ?e_1 ; <pred:fact_r> <cast_member> ; <pred:fact_t> ?e ] <character_role> ?qpv . ?qpv <pred:value> "Bors" . ?e <work_period_(start)> ?pv .  }
Program:
function: Find
inputs: King Arthur
function: Relate
dependencies: 0
inputs: cast member
forward
function: QFilterStr
dependencies: 1
inputs: character role
Bors
function: FilterConcept
dependencies: 2
inputs: human
function: QueryAttr
dependencies: 3
inputs: work period (start)
Answer: 1979