Question: What is the Universal Decimal Classification of the mathematics in the work field of Leonhard Euler?
Choices: 26
53
75
511
33
654.1
811.162.3
821.111
221.3
811.134.2
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "mathematics" . ?e_1 <field_of_work> ?e . ?e_1 <pred:name> "Leonhard Euler" .  ?e <Universal_Decimal_Classification> ?pv .  }
Program:
function: Find
inputs: Leonhard Euler
function: Relate
dependencies: 0
inputs: field of work
forward
function: FilterConcept
dependencies: 1
inputs: mathematics
function: QueryAttr
dependencies: 2
inputs: Universal Decimal Classification
Answer: 511