List the number of invoices from Chicago, IL.
CREATE TABLE invoices (billing_city VARCHAR, billing_state VARCHAR)
SELECT COUNT(*) FROM invoices WHERE billing_city = "Chicago" AND billing_state = "IL"
### Context: CREATE TABLE invoices (billing_city VARCHAR, billing_state VARCHAR) ### Question: List the number of invoices from Chicago, IL. ### Answer: SELECT COUNT(*) FROM invoices WHERE billing_city = "Chicago" AND billing_state = "IL"