what chess player was married after 1977?
Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity
m.03c5y m.0lzfs m.01vswwx m.09k0f m.081lh m.0sx5w m.026s9v m.0p_47 m.01w9jh4 m.06k9jc m.0h0yt m.0lbj1 m.0fjbs m.01htw_ m.01nn6w m.048nyq m.05c8gb m.01_97c m.01fdkr m.041_g m.08l7ll m.01_lj9
Garry Kasparov Martin Amis Bono Fidel Castro Woody Allen Howard Stern Steve Davis Steve Martin RZA Bobby Fischer Stephen Fry Sting Lennox Lewis Susan Polgar Ephraim Kishon Miyoko Watai Sofia Polgar Michael Adams Joshua Waitzkin Judit Polgár Yona Kosashvili Paul Truong
class class literal
chess.chess_player people.marriage 1977^^http://www.w3.org/2001/XMLSchema#gYear
chess.chess_player people.marriage type.datetime
Chess Player Marriage 1977
none none >=
people.person.spouse_s people.marriage.from
Spouse (or domestic partner) From
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 :chess.chess_player . 
?x1 :type.object.type :people.marriage . 
FILTER (?x2 >= "1977-08:00"^^<http://www.w3.org/2001/XMLSchema#gYear>)
?x0 :people.person.spouse_s ?x1 . 
?x1 :people.marriage.from ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND chess.chess_player (JOIN people.person.spouse_s (ge people.marriage.from 1977^^http://www.w3.org/2001/XMLSchema#gYear)))