Question: Who was elected elected President of Germany in 1925 and whose death led to the referendum on merging the posts of Chancellor and President?
Sentence (from "Paul von Hindenburg"): Paul Ludwig Hans Anton von Beneckendorff und von Hindenburg (   ), known generally as Paul von Hindenburg (] ; 2 October 1847 – 2 August 1934) was a German military officer, statesman, and politician who largely controlled German policy in the second half of World War I and served as the elected President of Germany from 1925 until his death in 1934.
Relevant evidence: Yes