42. You are working with a database table that contains invoice data. The customer_id column lists the ID number for each customer. You are interested in invoice data for the customer with ID number 7.
You write the SQL query below. Add a WHERE clause that will return only data about the customer with ID number 7.
After you run your query, use the slider to view all the data presented.
What is the billing country for the customer with ID number 7?