Question: What is the birth name of the person who authored Brighton Rock (the one whose publication date is 2011-04-21)?
Choices: Henry Graham Greene
Alastair Preston Reynolds
Aldous Leonard Huxley
Jessalyn Gilsig
Helsing
George Joseph Folsey
Tara Lyn Charendoff-Strong
Sarah Louise Heath
Robert Anthony Rodríguez
陳港生
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <after_a_work_by> ?e . ?e_1 <pred:name> "Brighton Rock" . ?e_1 <publication_date> ?pv_1 . ?pv_1 <pred:date> "2011-04-21"^^xsd:date . ?e <birth_name> ?pv .  }
Program:
function: Find
inputs: Brighton Rock
function: FilterDate
dependencies: 0
inputs: publication date
2011-04-21
=
function: Relate
dependencies: 1
inputs: after a work by
forward
function: FilterConcept
dependencies: 2
inputs: human
function: QueryAttr
dependencies: 3
inputs: birth name
Answer: Henry Graham Greene