which manufactured drug is removed from market on sep. the 21st, 2011?
Entity
m.0hqhtbj
Doryx 150 delayed release tablet
class literal
medicine.manufactured_drug_form 2011-09-21^^http://www.w3.org/2001/XMLSchema#date
medicine.manufactured_drug_form type.datetime
Manufactured drug form Sep. the 21st, 2011
none none
medicine.manufactured_drug_form.marketing_end_date
Marketing end date
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 :medicine.manufactured_drug_form . 
VALUES ?x1 { "2011-09-21-08:00"^^<http://www.w3.org/2001/XMLSchema#date> } 
?x0 :medicine.manufactured_drug_form.marketing_end_date ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND medicine.manufactured_drug_form (JOIN medicine.manufactured_drug_form.marketing_end_date 2011-09-21^^http://www.w3.org/2001/XMLSchema#date))