Question: Which one of the chemical elements, known by the time-weighted average exposure limit being not equal to 1900 milligrams per cubic meter, has the smallest atomic number?
Choices: manganese
calcium
magnesium
AIA Gold Medal
Frank Skinner
zinc
bassist
sodium
phosphorus
selenium
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "chemical element" . ?e <time-weighted_average_exposure_limit> ?pv_1 . ?pv_1 <pred:unit> "milligram per cubic meter" . ?pv_1 <pred:value> ?v_1 . FILTER ( ?v_1 != "1900"^^xsd:double ) . ?e <atomic_number> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: FindAll
function: FilterNum
dependencies: 0
inputs: time-weighted average exposure limit
1900 milligram per cubic meter
!=
function: FilterConcept
dependencies: 1
inputs: chemical element
function: SelectAmong
dependencies: 2
inputs: atomic number
smallest
Answer: manganese