albert calmette developed what vaccine first?
Entity
m.01bzn
BCG vaccine
class entity
medicine.vaccine m.04t985
medicine.vaccine medicine.vaccine_developer
Vaccine Albert Calmette
none none
medicine.vaccine.developed_by
Developed by
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.vaccine . 
VALUES ?x1 { :m.04t985 } 
?x0 :medicine.vaccine.developed_by ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND medicine.vaccine (JOIN medicine.vaccine.developed_by m.04t985))