Question: Between Artux and Erenhot, which city is a county-level city of the Xilin Gol League?
Sentence (from "Dolon Nor"): It is of historical importance because the remnants of Shangdu, the summer capital of Kublai Khan and the following Mongol emperors of the Yuan dynasty (13th and 14th century), are located some 28 kilometers (17 miles) northwest of the modern town.
Relevant evidence: No