Task: Text to Code
Input (English): SQL: SELECT * FROM Discount_Coupons WHERE coupon_amount > 500 OR coupon_amount < 500
Feedback: Replace discount coupons table with customers table , make sure coupon amount equals 500 , and good or bad customer equals good or bad .
Output (English): SELECT T1.good_or_bad_customer FROM customers AS T1 JOIN discount_coupons AS T2 ON T1.coupon_id  =  T2.coupon_id WHERE T2.coupon_amount  =  500