Question: who was the first woman to became the prime minister of a country
Answer: Sirima Ratwatte Dias Bandaranaike ( Sinhalese : සිරිමා රත්වත්තේ ඩයස් බණ්ඩාරනායක , Tamil : சிறிமா ரத்வத்தே டயஸ் பண்டாரநாயக்கே ; 17 April 1916 -- 10 October 2000 ) , commonly known as Sirimavo Bandaranaike , was a Sri Lankan stateswoman .