query: SELECT count(*) FROM Customers WHERE customer_id NOT IN ( SELECT customer_id FROM Customer_Payments );
question: Are Listing the number of customers did ain't payment no history.
query_toks: SELECT count ( * ) FROM Customers WHERE customer_id NOT IN ( SELECT customer_id FROM Customer_Payments ) ;
query_toks_no_value: select count ( * ) from customers where customer_id not in ( select customer_id from customer_payments )
question_toks: Are Listing the number of customers did ain't payment no history.