what written work was copyrighted on 1990-04?
Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity
m.05qh5jy m.05qh4lb m.09v183 m.05qh4hs m.05qcqlv m.05qgvch m.05qcmtc m.05qf9yl m.0fypwg m.05qgxkp m.05qgf6s m.05qh54v m.05qgzsk m.04ynh28 m.05qf8qw m.05qf2pf m.05qcvtk m.05qfnz7 m.0gtsgf m.04gv4qz m.05qfdnd
The Cartoonist The Lyssa Syndrome High Wizardry The Essence of Evil Chimaera's Copper Barrow Black Snow Days Beauty and the Beast: Night of Beauty (Beauty & the Beast) Kaleidoscope Shocker Jack Vance: A Fantasmic Imagination: A Working Bibliography Blood Lust Eclipse Corona Forget Me Not Collected Works of G.K. Chesterton: What I Saw in America, the Resurrection of Rome and Side Lights (Collected Works of Gk Chesterton) Arkham Unveiled: Adventures and Background in the Home of Miskatonic University Sung in Blood Neon Twilight The Silver Kiss The Pandora Principle The Cardinal Virtues
class literal
book.written_work 1990-04^^http://www.w3.org/2001/XMLSchema#gYearMonth
book.written_work type.datetime
Written Work 1990-04
none none
book.written_work.copyright_date
Copyright 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 :book.written_work . 
VALUES ?x1 { "1990-04-08:00"^^<http://www.w3.org/2001/XMLSchema#gYearMonth> } 
?x0 :book.written_work.copyright_date ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND book.written_work (JOIN book.written_work.copyright_date 1990-04^^http://www.w3.org/2001/XMLSchema#gYearMonth))