original_query: Who is Mikhail Mikhailovich Kasyanov and what political positions has he held?
query: Who is Mikhail Mikhailovich Kasyanov and what political positions has he held?
answer: Mikhail Mikhailovich Kasyanov is a Russian politician who served as Prime Minister of Russia from 2000 to 2004.  He also held positions such as First Deputy Prime Minister, Minister of Finance, and leader of the People's Freedom Party (PARNAS). He's been a prominent critic of President Putin.