Question: Is the first performance date of the television series whose director is Irwin Allen on 2005-01-12?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "television series" . ?e <director> ?e_1 . ?e_1 <pred:name> "Irwin Allen" .  ?e <date_of_first_performance> ?pv . ?pv <pred:date> "2005-01-12"^^xsd:date .  }
Program:
function: Find
inputs: Irwin Allen
function: Relate
dependencies: 0
inputs: director
backward
function: FilterConcept
dependencies: 1
inputs: television series
function: QueryAttr
dependencies: 2
inputs: date of first performance
function: VerifyDate
dependencies: 3
inputs: 2005-01-12
=
Answer: no