Question: Tell me the one with the biggest population within the Japan prefecture that has less than 20 percentage percent of water area.
Choices: Ōsaka Prefecture
Fukuoka Prefecture
Okinawa Prefecture
Kagoshima Prefecture
Gifu Prefecture
Niigata Prefecture
Aichi Prefecture
Nagano Prefecture
Hiroshima Prefecture
Shizuoka Prefecture
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "prefecture of Japan" . ?e <water_as_percent_of_area> ?pv_1 . ?pv_1 <pred:unit> "percentage" . ?pv_1 <pred:value> ?v_1 . FILTER ( ?v_1 < "20"^^xsd:double ) . ?e <population> ?pv . ?pv <pred:value> ?v .  } ORDER BY DESC(?v) LIMIT 1
Program:
function: FindAll
function: FilterNum
dependencies: 0
inputs: water as percent of area
20 percentage
<
function: FilterConcept
dependencies: 1
inputs: prefecture of Japan
function: SelectAmong
dependencies: 2
inputs: population
largest
Answer: Ōsaka Prefecture