Question: Which person penned The Hitchhiker's Guide to the Galaxy, which concluded on 1981-02-09?
Choices: Marc Joseph
David Byrne
Max Fleischer
Sylvester Stallone
Keith Jarrett
Douglas Adams
William Henry Harrison
Richard Gere
Simon Cowell
Amadeus
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <after_a_work_by> ?e . ?e_1 <pred:name> "The Hitchhiker's Guide to the Galaxy" . ?e_1 <end_time> ?pv . ?pv <pred:date> "1981-02-09"^^xsd:date .   }
Program:
function: Find
inputs: The Hitchhiker's Guide to the Galaxy
function: FilterDate
dependencies: 0
inputs: end time
1981-02-09
=
function: Relate
dependencies: 1
inputs: after a work by
forward
function: FilterConcept
dependencies: 2
inputs: human
function: What
dependencies: 3
Answer: Douglas Adams