SELECT district FROM table_10342194_3 WHERE total_amount_of_trees < 150817.6878461314 AND amount_of_old_trees = "1,928 (1.89%)"
Berapa distrik ketika jumlah total pohon lebih kecil dari 150817.6878461314 dan jumlah pohon tua adalah 1.928 (1,89%)?
CREATE TABLE table_10342194_3 (district VARCHAR, total_amount_of_trees VARCHAR, amount_of_old_trees VARCHAR)