What was the title of sima writing called?

There is no known writing system called "sima". It is possible that you are thinking of a different term or have made a typo.

Could you please clarify:

* What language or civilization are you referring to? Knowing the context will help me understand what you're looking for.

* Is there any other information you can provide about this writing system? For example, what kind of characters did it use, or what time period was it used?

With more information, I can help you find the correct term for the writing system you are looking for.