List the dishes that appeared at the left upper corner of the CHAS.BRADLEY'S OYSTER & DINING ROOM"s sponsored menu.
appeared at the left upper corner refers to xpos < 0.25 and ypos < 0.25; CHAS.BRADLEY'S OYSTER & DINING ROOM refers to sponsor = 'CHAS.BRADLEY''S OYSTER & DINING ROOM';
SELECT T4.name FROM MenuItem AS T1 INNER JOIN MenuPage AS T2 ON T1.menu_page_id = T2.id INNER JOIN Menu AS T3 ON T2.menu_id = T3.id INNER JOIN Dish AS T4 ON T1.dish_id = T4.id WHERE T3.sponsor = 'CHAS.BRADLEY''S OYSTER & DINING ROOM' AND T1.xpos < 0.25 AND T1.ypos < 0.25