During which period Rositsa Yanakieva served as the Mayor of a city in Europe's 16th-largest country?
Rositsa Yanakieva:  She served as the Mayor of Pernik, Bulgaria, for two, consecutive terms from 2005 to 2014. Bulgaria:  With a territory of 110994 km2 , Bulgaria is Europe's 16th-largest country.
i don't know