what grade level has a typical age (minimum) less than 7?
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 First grade Junior Kindergarten Senior Kindergarten Big section Primary 3 Grade Primary Pre-Junior Kindergarten Year 1 Groep 2 Year One Kindergarten Preparatory Year Two Preparatory course 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 7^^http://www.w3.org/2001/XMLSchema#integer
education.grade_level type.int
Grade level 7
none <
education.grade_level.typical_age_minimum
Typical age (minimum)
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 < "7"^^<http://www.w3.org/2001/XMLSchema#integer>)
?x0 :education.grade_level.typical_age_minimum ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND education.grade_level (lt education.grade_level.typical_age_minimum 7^^http://www.w3.org/2001/XMLSchema#integer))