query: SELECT max(amount_outstanding) ,  min(amount_outstanding) ,  avg(amount_outstanding) FROM Customers;
question: What-all maximum, minimum and average amount of outstanding of customer?
query_toks: SELECT max ( amount_outstanding ) , min ( amount_outstanding ) , avg ( amount_outstanding ) FROM Customers ;
query_toks_no_value: select max ( amount_outstanding ) , min ( amount_outstanding ) , avg ( amount_outstanding ) from customers
question_toks: What-all maximum, minimum and average amount of outstanding of customer?