Which novel is Stephen King's best-selling book? How many copies have been sold?
system
stephen king kii sabase zyada bikne vaali pustak koun si upanyaas he?kitni pratiyaan bechi gai hai?
user
stiffin king kii sabase adhik bikne vaali pustak da stand he, jisane 1978 main apane praarambhik prakaashan ke baad se lagbhag 4,500,000 pratiyaan bechi hai.
assistant
<|system|>
</s>
<|user|>
stephen king kii sabase zyada bikne vaali pustak koun si upanyaas he?kitni pratiyaan bechi gai hai?</s>
<|assistant|>
stiffin king kii sabase adhik bikne vaali pustak da stand he, jisane 1978 main apane praarambhik prakaashan ke baad se lagbhag 4,500,000 pratiyaan bechi hai.</s>
