Question: Did Benjamin Franklin with Melvyn Douglas as a cast member debut on 1974-11-21 ?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "Benjamin Franklin" . ?e <cast_member> ?e_1 . ?e_1 <pred:name> "Melvyn Douglas" .  ?e <start_time> ?pv . ?pv <pred:date> "1974-11-21"^^xsd:date .  }
Program:
function: Find
inputs: Melvyn Douglas
function: Relate
dependencies: 0
inputs: cast member
backward
function: Find
inputs: Benjamin Franklin
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: start time
function: VerifyDate
dependencies: 4
inputs: 1974-11-21
=
Answer: yes