The leader of the Bulgarian Socialist Party (BSP), Sergej Stanishev is preferred for a prime minister by 22.2% of Bulgarians, while the present PM Simeon Saxe-Coburg-Gotha wins among 20.8% of the people, data provided by the National Public Opinion Polling Centre carried out between June 30 and July 3. Public opinion lists ex-premier Ivan Kostov with 4.4% approval for the position, followed by ex-Sofia mayor Stefan Sofianski, 3.2%, and Union of Democratic Forces leader, Nadezhda Mihailova with 2.9%. Only 1.0 of the respondents see Volen Siderov as prime minister. Siderov is the head of Ataka party that the surprisingly was elected to Parliament in Bulgaria's June general elections.