what bottled water has the least amount of nitrates?
Entity
m.03d3p_c
Bling H2O
class literal
food.bottled_water 0^^http://www.w3.org/2001/XMLSchema#int
food.bottled_water type.float
Bottled water 0
none argmin
food.bottled_water.nitrate_content
Nitrate (mg/l)
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX : <http://rdf.freebase.com/ns/> 
SELECT (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0  WHERE { 
?x0 :type.object.type :food.bottled_water . 
{
SELECT (MIN(?y1) AS ?x1)  WHERE { 
?y0 :type.object.type :food.bottled_water . 
?y0 :food.bottled_water.nitrate_content ?y1 . 
FILTER ( ?y0 != ?y1  )
}
}
?x0 :food.bottled_water.nitrate_content ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(ARGMIN food.bottled_water food.bottled_water.nitrate_content)