Question: Established prior to 1460, the university attended by Leonhard Euler is a special example of what class?
Choices: Composite monarchy
Masculine ending
emoji flag sequence
public school
archipelago
war
statement with Gregorian date earlier than 1584
municipal corporation
vehicle registration plates of Germany
fixed exchange rate
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "university" . ?e_1 <educated_at> ?e . ?e_1 <pred:name> "Leonhard Euler" .  ?e <inception> ?pv . ?pv <pred:year> 1460 . [ <pred:fact_h> ?e ; <pred:fact_r> <inception> ; <pred:fact_t> ?pv ] <instance_of> ?qpv .  }
Program:
function: Find
inputs: Leonhard Euler
function: Relate
dependencies: 0
inputs: educated at
forward
function: FilterConcept
dependencies: 1
inputs: university
function: QueryAttrQualifier
dependencies: 2
inputs: inception
1460
instance of
Answer: statement with Gregorian date earlier than 1584