on 2014-02-04, which manufactured drug form's patent expires?
Entity Entity Entity
m.0hqmp5m m.0hqj6lb m.0hqqwf8
Cedax 90 suspension Cedax 180 suspension Cedax 18 suspension
class literal
medicine.manufactured_drug_form 2014-02-04^^http://www.w3.org/2001/XMLSchema#date
medicine.manufactured_drug_form type.datetime
Manufactured drug form 2014-02-04
none none
medicine.manufactured_drug_form.patent_expiry_date
Patent expiry 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 { "2014-02-04-08:00"^^<http://www.w3.org/2001/XMLSchema#date> } 
?x0 :medicine.manufactured_drug_form.patent_expiry_date ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND medicine.manufactured_drug_form (JOIN medicine.manufactured_drug_form.patent_expiry_date 2014-02-04^^http://www.w3.org/2001/XMLSchema#date))