on 1869-02-26 what constitutional amendment was proposed?
Entity
m.07sn7
Fifteenth Amendment to the United States Constitution
class literal
law.constitutional_amendment 1869-02-26^^http://www.w3.org/2001/XMLSchema#date
law.constitutional_amendment type.datetime
Constitutional Amendment 1869-02-26
none none
law.constitutional_amendment.proposed_on
Proposed on
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 :law.constitutional_amendment . 
VALUES ?x1 { "1869-02-26-08:00"^^<http://www.w3.org/2001/XMLSchema#date> } 
?x0 :law.constitutional_amendment.proposed_on ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND law.constitutional_amendment (JOIN law.constitutional_amendment.proposed_on 1869-02-26^^http://www.w3.org/2001/XMLSchema#date))