Question: Which has the largest duration among the television series that mainly depict the Central Intelligence Agency?
Choices: American Horror Story
Saturday Night's Main Event
Alias
Robot Chicken
Game of Thrones
Dancing with the Stars
Bleak House
Homeland
Seinfeld
Phineas and Ferb
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "television series" . ?e <main_subject> ?e_1 . ?e_1 <pred:name> "Central Intelligence Agency" .  ?e <duration> ?pv . ?pv <pred:value> ?v .  } ORDER BY DESC(?v) LIMIT 1
Program:
function: Find
inputs: Central Intelligence Agency
function: Relate
dependencies: 0
inputs: main subject
backward
function: FilterConcept
dependencies: 1
inputs: television series
function: SelectAmong
dependencies: 2
inputs: duration
largest
Answer: Homeland