Question: Which Illinois county that was established before 1831 has the smallest land area?
Choices: Logan County
Madison County
Montgomery County
Sangamon County
St. Clair County
Tazewell County
Monroe County
Clinton County
McLean County
McHenry County
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of Illinois" . ?e <inception> ?pv_1 . ?pv_1 <pred:year> ?v_1 . FILTER ( ?v_1 < 1831 ) . ?e <area> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: inception
1831
<
function: FilterConcept
dependencies: 1
inputs: county of Illinois
function: SelectAmong
dependencies: 2
inputs: area
smallest
Answer: Monroe County