List at least 10 students who have no payment due and are enlisted in Fire Department organization.
no payment due refers to bool = 'neg'; organization refers to organ; organ = 'fire_department';
SELECT T1.name FROM no_payment_due AS T1 INNER JOIN enlist AS T2 ON T2.name = T1.name WHERE T1.bool = 'neg' AND T2.organ = 'fire_department' LIMIT 10