Identify the border's coordinates on the X and Y axes that enclose a folk in image no. 6.
coordinates on the X and Y axes refers to X and Y; folk refers to OBJ_CLASS = 'folk'; image no. 6 refers to IMG_ID = 6
SELECT T1.X, T1.Y FROM IMG_OBJ AS T1 INNER JOIN OBJ_CLASSES AS T2 ON T1.OBJ_CLASS_ID = T2.OBJ_CLASS_ID WHERE T1.IMG_ID = 6 AND T2.OBJ_CLASS = 'folk'