List the object sample IDs of image ID 17 with coordinates (0,0).
object sample ID refers to OBJ_SAMPLE_ID; image ID 17 refers to IMG_ID = 17; coordinates (0,0) refer to X and Y coordinates of the bounding box where X = 0 and Y = 0;
SELECT OBJ_SAMPLE_ID FROM IMG_OBJ WHERE IMG_ID = 17 AND X = 0 AND Y = 0