What precedes and what follows Star Wars Episode V: The Empire Strikes Back in the Star Wars series?
SELECT ?value1 ?value2 WHERE { wd:Q181795 p:P179 ?s . ?s ps:P179 wd:Q22092344 . ?s pq:P156 ?value1 . ?s pq:P155 ?value2 }
star wars: episode v – the empire strikes back: Q181795 star wars: Q22092344