Question: How many surnames in English are the last name of Robert Anton Wilson?
Choices:
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9
Answer: 1
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "family name" . ?e <language_of_work_or_name> ?e_1 . ?e_1 <pred:name> "English" .  ?e_2 <family_name> ?e . ?e_2 <pred:name> "Robert Anton Wilson" .  }
Program:
function: Find
inputs: English
function: Relate
dependencies: 0
inputs: language of work or name
backward
function: FilterConcept
dependencies: 1
inputs: family name
function: Find
inputs: Robert Anton Wilson
function: Relate
dependencies: 3
inputs: family name
forward
function: FilterConcept
dependencies: 4
inputs: family name
function: And
dependencies: 2
5
function: Count
dependencies: 6