Question: Does the human that is the origin of the name Mark Twain (which has Cynthia Nixon as a cast member) have a date of death after 1957?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <named_after> ?e . ?e_1 <pred:name> "Mark Twain" . ?e_1 <cast_member> ?e_2 . ?e_2 <pred:name> "Cynthia Nixon" .  ?e <date_of_death> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1957 ) .  }
Program:
function: Find
inputs: Cynthia Nixon
function: Relate
dependencies: 0
inputs: cast member
backward
function: Find
inputs: Mark Twain
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: named after
forward
function: FilterConcept
dependencies: 4
inputs: human
function: QueryAttr
dependencies: 5
inputs: date of death
function: VerifyYear
dependencies: 6
inputs: 1957
>
Answer: no