Question: What is the character role of Michael J. Fox in Back to the Future (the one that was nominated for Academy Award for Best Sound Mixing)?
Choices: George V
Neo
Marcus Brody
The Leader
Jennifer Parker
Emanuel Schikaneder
Calibos
Marty McFly
Lola (Shark Tale)
Eliot Ness
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Back to the Future" . ?e_1 <nominated_for> ?e_3 . ?e_3 <pred:name> "Academy Award for Best Sound Mixing" . ?e_2 <pred:name> "Michael J. Fox" . ?e_1 <cast_member> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <cast_member> ; <pred:fact_t> ?e_2 ] <character_role> ?qpv .  }
Program:
function: Find
inputs: Academy Award for Best Sound Mixing
function: Relate
dependencies: 0
inputs: nominated for
backward
function: Find
inputs: Back to the Future
function: And
dependencies: 1
2
function: Find
inputs: Michael J. Fox
function: QueryRelationQualifier
dependencies: 3
4
inputs: cast member
character role
Answer: Marty McFly