Question: Which has the lowest melting point among the chemical elements whose density is not 2.1 grams per cubic centimeter?
Choices: Kenyon College
selenium
phosphorus
zinc
Alameda County
manganese
magnesium
calcium
sodium
brain tumor
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "chemical element" . ?e <density> ?pv_1 . ?pv_1 <pred:unit> "gram per cubic centimetre" . ?pv_1 <pred:value> ?v_1 . FILTER ( ?v_1 != "2.1"^^xsd:double ) . ?e <melting_point> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: FindAll
function: FilterNum
dependencies: 0
inputs: density
2.1 gram per cubic centimetre
!=
function: FilterConcept
dependencies: 1
inputs: chemical element
function: SelectAmong
dependencies: 2
inputs: melting point
smallest
Answer: selenium