Question: What is the character role of Heather Locklear in  Dynasty (the one that has Billy Dee Williams as a cast member)?
Choices: Domino Vitali
Sammy Jo Carrington
Harvey Fenner
Mina Harker
Gawain
Stewie Griffin
Harry Potter
Rebecca Howe
Piper Pinwheeler
Steve Biko
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Dynasty" . ?e_1 <cast_member> ?e_3 . ?e_3 <pred:name> "Billy Dee Williams" . ?e_2 <pred:name> "Heather Locklear" . ?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: Billy Dee Williams
function: Relate
dependencies: 0
inputs: cast member
backward
function: Find
inputs: Dynasty
function: And
dependencies: 1
2
function: Find
inputs: Heather Locklear
function: QueryRelationQualifier
dependencies: 3
4
inputs: cast member
character role
Answer: Sammy Jo Carrington