Question: Which is {method of murder} of {music by} {Schubert's last sonatas} ?
Paraphrase: Which is {strategy of kill} of {music by} {Schubert's final sonatas} ?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q1509328 wdt:P86 ?X . ?X wdt:P509 ?answer}
Answer: typhoid fever