Question: What agent has the dissolution date of 1941-06-20?
Choices: Luftwaffe
Order of the British Empire
German Army
Roundhead
United States Marine Corps
Royal Navy
Continental Army
Lockheed Corporation
United States Army Air Corps
Procter & Gamble
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "agent" . ?e <dissolved,_abolished_or_demolished> ?pv . ?pv <pred:date> "1941-06-20"^^xsd:date .  }
Program:
function: FindAll
function: FilterDate
dependencies: 0
inputs: dissolved, abolished or demolished
1941-06-20
=
function: FilterConcept
dependencies: 1
inputs: agent
function: What
dependencies: 2
Answer: United States Army Air Corps