题目

The dyed bun scandal (染色馒头丑闻) deals another blow to shoppers' confidence in buying food products, as well as the reputation of local sellers. Li Zhen reports on shoppers’ reactions in Shanghai. An investigation by the municipal government revealed that Shanghai Shenglu Food Company produced more than 3,000 steamed buns daily. These were then sold across the city, including large supermarkets such as Hualian, Lianhua and Dia. Fewer steamed buns were for sale at this Lianhua Supermarket. More than 32,000 buns were taken off store shelves when the scandal emerged. Mr. Wang,（2015秋•临清市期末）△ABC为等边三角形，点M是射线BC上任意一点，点N是射线CA上任意一点，且BM=CN，直线AM与BN相交于Q点，∠AQN的度数为 ．