Question: When did the person known by a pseudonym of Agatha Christie stop working?
Choices: 1976
1990
2004
1999
1983
2001
1894
2013
1987
1960
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <pseudonym> ?pv_1 . ?pv_1 <pred:value> "Agatha Christie" . ?e <work_period_(end)> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: pseudonym
Agatha Christie
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: work period (end)
Answer: 1976