context: Lake Baikal is the deepest and oldest lake in the world and has the most (in content) of its freshwater on Earth. This lake contains more than 20% of the world's freshwater and more than 90% of Russian freshwater. This lake is a world heritage site located in southern Siberia in Russia, between the Irkutsk Oblast in the northwest and Buryatia in the southeast, near the town of Irkutsk. This name comes from the Tatar word "Bai-Kul" - "rich lake". He is also known as the "Siberian Blue Eyes". In Russian, he is called Байка́л (Ozero Baykal, О́зеро literally means Lake), and in Buryat and Mongolian languages ​​he is called Dalai-Nor, or "Holy Sea".
question: where is the lake Baikal?
answers.text: southern Siberia in Russia, between the Irkutsk Oblast in the northwest and Buryatia in the southeast, near the town of Irkutsk