Question: Which TV series features Purple Heart (the one whose publication date is 1997-08-08)?
Choices: Law & Order
Game of Thrones
Seinfeld
Robot Chicken
Six Feet Under
American Horror Story
Hercules
Bleak House
Oz
The Green Hornet
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "television series" . ?e_1 <part_of_the_series> ?e . ?e_1 <pred:name> "Purple Heart" . ?e_1 <publication_date> ?pv . ?pv <pred:date> "1997-08-08"^^xsd:date .   }
Program:
function: Find
inputs: Purple Heart
function: FilterDate
dependencies: 0
inputs: publication date
1997-08-08
=
function: Relate
dependencies: 1
inputs: part of the series
forward
function: FilterConcept
dependencies: 2
inputs: television series
function: What
dependencies: 3
Answer: Law & Order