Providers' City in Alphabetical Order
Paulo R. Rodegheri 
Brazil
Paulo R. Rodegheri Brazil
Every month the company asks for a report from the cities that providers are registered. So, do a query that returns all the cities of the providers, but in alphabetical order.
OBS: You must not show repeated cities.
| Column | Type |
| id (PK) | numeric |
| name | varchar |
| street | varchar |
| city | varchar |
| state | char |
| id | name | street | city | state |
| 1 | Henrique | Av Brasil | Rio de Janeiro | RJ |
| 2 | Marcelo Augusto | Rua Imigrantes | Belo Horizonte | MG |
| 3 | Caroline Silva | Av São Paulo | Salvador | BA |
| 4 | Guilerme Staff | Rua Central | Porto Alegre | RS |
| 5 | Isabela Moraes | Av Juiz Grande | Curitiba | PR |
| 6 | Francisco Accerr | Av Paulista | São Paulo | SP |
| city |
| Belo Horizonte |
| Curitiba |
| Porto Alegre |
| Rio de Janeiro |
| Salvador |
| São Paulo |