On the table orders of the sample database NorthWind compute:

1. the customers with state_province that is one of UT, MN, and WI.
2. the customers whose address starts with “456”
3. the customers whose last_name is at least 4 characters long
4. the customers with ID larger than 20
5. the number of customers that have placed at least an order
6. the customers that have placed at least two orders
7. For each customer, the total amount of taxes paid
8. For each customer, the total amount of taxes paid and of shipping fee (the result must be one table.