Question: tell me the one with the least area within the port city that has a population under 6800000000
Choices: İzmir
Alexandria
Barcelona
Tianjin
Basra
Odessa
Busan
Fremantle
Andy Heyward
Gibraltar
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "port city" . ?e <population> ?pv_1 . ?pv_1 <pred:unit> "1" . ?pv_1 <pred:value> ?v_1 . FILTER ( ?v_1 < "6800000000"^^xsd:double ) . ?e <area> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: FindAll
function: FilterNum
dependencies: 0
inputs: population
6800000000
<
function: FilterConcept
dependencies: 1
inputs: port city
function: SelectAmong
dependencies: 2
inputs: area
smallest
Answer: Gibraltar