query: 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
question: Customers are the holding coupons with amount 500 bad, can or not or good?
query_toks: 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
query_toks_no_value: 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 = value
question_toks: Customers are the holding coupons with amount 500 bad, can or not or good?