Question: What is the character role of Adrian Grenier in  Entourage (the one that was nominated for Primetime Emmy Award for Outstanding Writing for a Comedy Series) ?
Choices: Riddler
Vincent Chase
Harriet Jones
Cindy
Peter Pettigrew
Captain Amelia
Jefferson Coatsworth
Ari Gold
Vanellope von Schweetz
Mystique
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Entourage" . ?e_1 <nominated_for> ?e_3 . ?e_3 <pred:name> "Primetime Emmy Award for Outstanding Writing for a Comedy Series" . ?e_2 <pred:name> "Adrian Grenier" . ?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: Primetime Emmy Award for Outstanding Writing for a Comedy Series
function: Relate
dependencies: 0
inputs: nominated for
backward
function: Find
inputs: Entourage
function: And
dependencies: 1
2
function: Find
inputs: Adrian Grenier
function: QueryRelationQualifier
dependencies: 3
4
inputs: cast member
character role
Answer: Vincent Chase