qnli question: Who lead the Persians into a coalition with the Medes, Babylon, Scythians, and Cimmerians to fight against the Assyrians? sentence: Under king Cyaxares, the Medes and Persians entered into an alliance with Nabopolassar of Babylon, as well as the Scythians and the Cimmerians, and together they attacked the Assyrian Empire.