You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "who was the first national chairman of the proscribed social democratic party?" whose answer is Babagana Kingibe.
Each document should contain about 30 words, and these documents should contain useful information.

Query: first national chairman of the Social Democratic Party of Germany before Nazi rule
Useful Output:

Doc 1: In 1933, Adolf Hitler came to power, destroying Ebert's life's work and ushering in the darkest chapter of German history. Today, 150 years
Doc 2: Ebert succeeded August Bebel as party chairman in 1913. Under his leadership, the SPD gained increasing influence in German national politics.
Doc 3:  Nazi Party. By 1933 the SPD held only 120 of 647 seats in the Reichstag to the Nazis' 288 and the Communists' 81. The SPD was outlawed soon
Doc 4: The SPD prides itself on its principled opposition to the Nazis before it was banned and its members exiled. Party lore says that dialogue
Doc 5: The SPD politician Friedrich Ebert served as the first president of Germany from 1919 to 1925. After the rise of the Nazi Party to power, the SPD was the only