query: SELECT max(customer_code) ,  min(customer_code) FROM Customers
question: What-what the most largest and most smallest customers code?
query_toks: SELECT max ( customer_code ) , min ( customer_code ) FROM Customers
query_toks_no_value: select max ( customer_code ) , min ( customer_code ) from customers
question_toks: What-what the most largest and most smallest customers code?