tell me the american football player who is known for quotes about the self-improvement?
Entity
m.04gw8n
Lou Holtz
class class entity
american_football.football_player media_common.quotation m.048krb_
american_football.football_player media_common.quotation media_common.quotation_subject
American football player Quotation Self-improvement
none none none
media_common.quotation.author media_common.quotation_subject.quotations_about_this_subject
Author Quotations About This Subject
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 :american_football.football_player . 
?x1 :type.object.type :media_common.quotation . 
VALUES ?x2 { :m.048krb_ } 
?x1 :media_common.quotation.author ?x0 . 
?x2 :media_common.quotation_subject.quotations_about_this_subject ?x1 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND american_football.football_player (JOIN (R media_common.quotation.author) (JOIN (R media_common.quotation_subject.quotations_about_this_subject) m.048krb_)))