Question: Which political ideology is the work field of Murray Rothbard and has the subreddit Libertarian (with a subscription number of 219713)?
Choices: feminism
socialism
far-right
Islamism
racism
nationalism
cavalier
neo-Nazism
anti-fascism
libertarianism
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "political ideology" . ?e_1 <field_of_work> ?e . ?e_1 <pred:name> "Murray Rothbard" .  ?e <subreddit> ?pv . ?pv <pred:value> "Libertarian" . [ <pred:fact_h> ?e ; <pred:fact_r> <subreddit> ; <pred:fact_t> ?pv ] <number_of_subscribers> ?qpv . ?qpv <pred:unit> "1" . ?qpv <pred:value> "219713"^^xsd:double .  }
Program:
function: Find
inputs: Murray Rothbard
function: Relate
dependencies: 0
inputs: field of work
forward
function: FilterConcept
dependencies: 1
inputs: political ideology
function: FindAll
function: FilterStr
dependencies: 3
inputs: subreddit
Libertarian
function: QFilterNum
dependencies: 4
inputs: number of subscribers
219713
=
function: FilterConcept
dependencies: 5
inputs: political ideology
function: And
dependencies: 2
6
function: What
dependencies: 7
Answer: libertarianism