Question: What person is employed by the band with the Instagram username of metallica?
Choices: Sylvester Stallone
Lars Ulrich
Flea
Tim Roth
Joyce Carol Oates
Max Fleischer
David Byrne
Travis Tritt
William Henry Harrison
Rahul Dev Burman
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <employer> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "band" . ?e_1 <Instagram_username> ?pv . ?pv <pred:value> "metallica" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Instagram username
metallica
function: FilterConcept
dependencies: 1
inputs: band
function: Relate
dependencies: 2
inputs: employer
backward
function: FilterConcept
dependencies: 3
inputs: human
function: What
dependencies: 4
Answer: Lars Ulrich