Question: Which planets were portrayed in Star Wars Episode V: The Empire Strikes Back?
Paraphrase: In Star Wars Episode V, which planets were portrayed: The Empire Strikes Back?
SPARQL (Wikidata):  select distinct ?obj where { wd:Q181795 wdt:P840 ?obj . ?obj wdt:P31 wd:Q2775969 } 
Answer: Hoth, Bespin, Dagobah