CREATE TABLE invoices (invoice_number VARCHAR, invoice_date VARCHAR)

Find the invoice numbers which are created before 1989-09-03 or after 2007-12-25.
SELECT invoice_number FROM invoices WHERE invoice_date < "1989-09-03" OR invoice_date > "2007-12-25"
SELECT "invoice_number" FROM "invoices" WHERE "1989-09-03" > "invoice_date" OR "2007-12-25" < "invoice_date"