query: SELECT payment_method FROM customers GROUP BY payment_method ORDER BY count(*) DESC LIMIT 1
question: Which payment method used by most customers?
query_toks: SELECT payment_method FROM customers GROUP BY payment_method ORDER BY count ( * ) DESC LIMIT 1
query_toks_no_value: select payment_method from customers group by payment_method order by count ( * ) desc limit value
question_toks: Which payment method used by most customers?