Question: Was the person who influenced Loreena McKennitt not born in 1942?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <influenced_by> ?e . ?e_1 <pred:name> "Loreena McKennitt" .  ?e <date_of_birth> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 1942 ) .  }
Program:
function: Find
inputs: Loreena McKennitt
function: Relate
dependencies: 0
inputs: influenced by
forward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: date of birth
function: VerifyYear
dependencies: 3
inputs: 1942
!=