at what grade level is the typical age smaller than or equal to 8?
Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity
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Kindergarten Preschool Pre-kindergarten Second grade First grade Junior Kindergarten Senior Kindergarten Big section Primary 3 Grade Primary Year 1 Groep 2 Year One Kindergarten Preparatory Year Three Elementary course level 1 Year Two Preparatory course Elementary Year 2 Year Four Groep 4 Primary 2 Year Three Little section Groep 3 Primary 1 Reception Middle section Year One Year Two Elementary Year 1 Groep 1
class literal
education.grade_level 8^^http://www.w3.org/2001/XMLSchema#integer
education.grade_level type.int
Grade level 8
none <=
education.grade_level.typical_age_maximum
Typical age (maximum)
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 :education.grade_level . 
FILTER (?x1 <= "8"^^<http://www.w3.org/2001/XMLSchema#integer>)
?x0 :education.grade_level.typical_age_maximum ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND education.grade_level (le education.grade_level.typical_age_maximum 8^^http://www.w3.org/2001/XMLSchema#integer))