Question: Which TV series features Sidney Lumet and Robbie Robertson in the cast?
Choices: Six Feet Under
Phineas and Ferb
Bleak House
Seinfeld
Dancing with the Stars
Babylon 5
American Masters
American Horror Story
Saturday Night's Main Event
Robot Chicken
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "television series" . ?e <cast_member> ?e_1 . ?e_1 <pred:name> "Sidney Lumet" .  ?e <cast_member> ?e_2 . ?e_2 <pred:name> "Robbie Robertson" .  }
Program:
function: Find
inputs: Sidney Lumet
function: Relate
dependencies: 0
inputs: cast member
backward
function: FilterConcept
dependencies: 1
inputs: television series
function: Find
inputs: Robbie Robertson
function: Relate
dependencies: 3
inputs: cast member
backward
function: FilterConcept
dependencies: 4
inputs: television series
function: And
dependencies: 2
5
function: What
dependencies: 6
Answer: American Masters