CREATE TABLE table_204_341 (id DECIMAL, "name in english" TEXT, "name in turkish" TEXT, "area  ( km2 ) " TEXT, "depth" TEXT, "location  ( districts and/or provinces ) " TEXT)

other than lake ercek , name a lake in van .
SELECT "name in english" FROM table_204_341 WHERE "name in english" <> 'lake ercek' AND "location (districts and/or provinces)" = 'van'
SELECT "name in english" FROM "table_204_341" WHERE "location (districts and/or provinces)" = 'van' AND "name in english" <> 'lake ercek'