What is the {film} for {after a work by} of {Rachel Carson}
What film is based on a work by Rachel Carson?
 select distinct ?sbj where { ?sbj wdt:P1877 wd:Q100948 . ?sbj wdt:P31 wd:Q11424 } 
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1877> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q100948> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q11424> } 
What film is based on a work by Rachel Carson?