Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.

Context: The All-Russia People's Front (Russian: ), known by its Russian initialism ONF, is a movement in Russia started in 2011 by then-Prime Minister of Russia Vladimir Putin to provide United Russia with ''new ideas, new suggestions and new faces''.
Question: Who led All-Russia People's Front?
vladimir putin