List each donator name and the amount of endowment in descending order of the amount of endowment.
SELECT donator_name ,  sum(amount) FROM endowment GROUP BY donator_name ORDER BY sum(amount) DESC
SELECT donator_name ,  sum(amount) FROM endowment GROUP BY donator_name ORDER BY sum(amount) DESC
[{'donator_name': 'San José de Ocoa', 'sum(amount)': 9.83}, {'donator_name': 'Valverde', 'sum(amount)': 9.73}, {'donator_name': 'Distrito Nacional', 'sum(amount)': 9.55}, {'donator_name': 'Monte Plata', 'sum(amount)': 9.51}, {'donator_name': 'San Cristóbal', 'sum(amount)': 9.05}, {'donator_name': 'Santo Domingo Este', 'sum(amount)': 8.99}, {'donator_name': 'Santiago', 'sum(amount)': 8.85}, {'donator_name': 'La Vega', 'sum(amount)': 8.82}, {'donator_name': 'Duarte', 'sum(amount)': 8.53}, {'donator_name': 'Com. Dom. En Estados Unidos', 'sum(amount)': 8.43}, {'donator_name': 'Peravia', 'sum(amount)': 8.33}]