Question: What TV series episode has cast a person whose Twitter username is mitchpileggi1 ?
Choices: Genesis
The Host
Avatar
Milk
Basic Instinct
Rules of Engagement
Six Feet Under
Meridian
Brothers & Sisters
The X-Files
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "television series episode" . ?e <cast_member> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "human" . ?e_1 <Twitter_username> ?pv . ?pv <pred:value> "mitchpileggi1" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
mitchpileggi1
function: FilterConcept
dependencies: 1
inputs: human
function: Relate
dependencies: 2
inputs: cast member
backward
function: FilterConcept
dependencies: 3
inputs: television series episode
function: What
dependencies: 4
Answer: Avatar