Answer the following question: Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: who is childless lady? Title: Australia Movie plot: In 1939, Lady Sarah Ashley travels from England to northern Australia to force her philandering husband to sell his faltering cattle station, Faraway Downs. Her husband sends an independent cattle drover, called "Drover", to transport her to Faraway Downs. Lady Sarah's husband is murdered shortly before she arrives, and the authorities tell her that the killer is an Aboriginal elder, "King George". Meanwhile, cattle station manager Neil Fletcher is trying to gain control of Faraway Downs, so that Lesley 'King' Carney will have a complete cattle monopoly, giving him negotiating leverage with an Australian army officer, Captain Dutton, who wants to buy the cattle. The childless Lady Sarah is captivated by the boy Nullah, who has an Aboriginal mother and a white father. Nullah tells her that he has seen her cattle being driven onto Carney's land in other words, stolen from her. Because of this Fletcher mistreats Nullah and threatens him and his mother, so Lady Sarah fires Fletcher and decides to try to run the cattle station herself. When Nullah and his mother hide from the authorities in a water tower, his mother drowns. Lady Sarah comforts Nullah by singing the song "Over the Rainbow" from the film The Wizard of Oz. Nullah tells her that "King George" is his grandfather, and that like the Wizard, he too is a "magic man". Lady Sarah persuades Drover to take the cattle to Darwin for sale. Drover is friendly with the Aborigines, and therefore shunned by many of the other whites in the territory. It is revealed that he was married to an Aboriginal woman, who died after being refused medical treatment in a hospital because of her race. Lady Sarah also reveals she is unable to have children. Drover leads a team of six other riders, including Lady Sarah, Drover's Aboriginal brother-in-law Magarri, Nullah, and the station's accountant Kipling Flynn, to drive the 1,500 cattle to Darwin. They encounter various obstacles along the way, including a fire set by Carney's men that scares the cattle, resulting in the...
Answer:
Sarah